diff --git a/libraries/datasource/src/androidTest/AndroidManifest.xml b/libraries/datasource/src/androidTest/AndroidManifest.xml
index 6dadf00eb5..6543ffe575 100644
--- a/libraries/datasource/src/androidTest/AndroidManifest.xml
+++ b/libraries/datasource/src/androidTest/AndroidManifest.xml
@@ -21,7 +21,9 @@
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       android:usesCleartextTraffic="true"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
diff --git a/libraries/datasource_cronet/src/androidTest/AndroidManifest.xml b/libraries/datasource_cronet/src/androidTest/AndroidManifest.xml
index 7da3a987c1..818af43314 100644
--- a/libraries/datasource_cronet/src/androidTest/AndroidManifest.xml
+++ b/libraries/datasource_cronet/src/androidTest/AndroidManifest.xml
@@ -22,7 +22,9 @@
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+    android:name="android.support.multidex.MultiDexApplication"
     android:allowBackup="false"
     android:usesCleartextTraffic="true"
     tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
diff --git a/libraries/decoder_flac/src/androidTest/AndroidManifest.xml b/libraries/decoder_flac/src/androidTest/AndroidManifest.xml
index 1451696625..60caa1b1cc 100644
--- a/libraries/decoder_flac/src/androidTest/AndroidManifest.xml
+++ b/libraries/decoder_flac/src/androidTest/AndroidManifest.xml
@@ -21,7 +21,9 @@
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
diff --git a/libraries/decoder_opus/src/androidTest/AndroidManifest.xml b/libraries/decoder_opus/src/androidTest/AndroidManifest.xml
index b6ed01f150..039dc819cc 100644
--- a/libraries/decoder_opus/src/androidTest/AndroidManifest.xml
+++ b/libraries/decoder_opus/src/androidTest/AndroidManifest.xml
@@ -21,7 +21,9 @@
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
diff --git a/libraries/decoder_vp9/src/androidTest/AndroidManifest.xml b/libraries/decoder_vp9/src/androidTest/AndroidManifest.xml
index 818d5196fc..ca0f8bc647 100644
--- a/libraries/decoder_vp9/src/androidTest/AndroidManifest.xml
+++ b/libraries/decoder_vp9/src/androidTest/AndroidManifest.xml
@@ -21,7 +21,9 @@
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode"/>
 
diff --git a/libraries/exoplayer/src/androidTest/AndroidManifest.xml b/libraries/exoplayer/src/androidTest/AndroidManifest.xml
index b1fb1cf643..08ccac6a01 100644
--- a/libraries/exoplayer/src/androidTest/AndroidManifest.xml
+++ b/libraries/exoplayer/src/androidTest/AndroidManifest.xml
@@ -22,7 +22,9 @@
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode"
       android:usesCleartextTraffic="true"/>
diff --git a/libraries/exoplayer_ima/src/androidTest/AndroidManifest.xml b/libraries/exoplayer_ima/src/androidTest/AndroidManifest.xml
index 0b0db6b46a..ae78b13483 100644
--- a/libraries/exoplayer_ima/src/androidTest/AndroidManifest.xml
+++ b/libraries/exoplayer_ima/src/androidTest/AndroidManifest.xml
@@ -23,7 +23,9 @@
   <uses-permission android:name="android.permission.WAKE_LOCK"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
     <activity android:name="androidx.media3.test.utils.HostActivity"
diff --git a/libraries/session/src/androidTest/AndroidManifest.xml b/libraries/session/src/androidTest/AndroidManifest.xml
index f96881ea89..e3a794f9ab 100644
--- a/libraries/session/src/androidTest/AndroidManifest.xml
+++ b/libraries/session/src/androidTest/AndroidManifest.xml
@@ -22,7 +22,9 @@
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode"
       android:usesCleartextTraffic="true"/>
diff --git a/libraries/test_exoplayer_playback/src/androidTest/AndroidManifest.xml b/libraries/test_exoplayer_playback/src/androidTest/AndroidManifest.xml
index a0d2fd0cfe..652ff94d66 100644
--- a/libraries/test_exoplayer_playback/src/androidTest/AndroidManifest.xml
+++ b/libraries/test_exoplayer_playback/src/androidTest/AndroidManifest.xml
@@ -23,7 +23,9 @@
   <uses-permission android:name="android.permission.WAKE_LOCK"/>
   <uses-sdk/>
 
+  <!-- TODO(b/243799715): Use android:name="androidx.multidex.MultiDexApplication" instead. -->
   <application
+      android:name="android.support.multidex.MultiDexApplication"
       android:allowBackup="false"
       tools:ignore="MissingApplicationIcon,HardcodedDebugMode">
     <activity android:name="androidx.media3.test.utils.HostActivity"