Move assets from vp9 to testdata module

PiperOrigin-RevId: 293781786

extensions/vp9/build.gradle

@@ -29,10 +29,13 @@ android {
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
 
-    sourceSets.main {
+    sourceSets {
+        main {
             jniLibs.srcDir 'src/main/libs'
             jni.srcDirs = [] // Disable the automatic ndk-build call by Android Studio.
         }
+        androidTest.assets.srcDir '../../testdata/src/test/assets/'
+    }
 
     testOptions.unitTests.includeAndroidResources = true
 }

extensions/vp9/src/androidTest/java/com/google/android/exoplayer2/ext/vp9/VpxPlaybackTest.java

@@ -42,10 +42,10 @@ import org.junit.runner.RunWith;
 @RunWith(AndroidJUnit4.class)
 public class VpxPlaybackTest {
 
-  private static final String BEAR_URI = "asset:///bear-vp9.webm";
+  private static final String BEAR_URI = "asset:///vp9/bear-vp9.webm";
-  private static final String BEAR_ODD_DIMENSIONS_URI = "asset:///bear-vp9-odd-dimensions.webm";
+  private static final String BEAR_ODD_DIMENSIONS_URI = "asset:///vp9/bear-vp9-odd-dimensions.webm";
-  private static final String ROADTRIP_10BIT_URI = "asset:///roadtrip-vp92-10bit.webm";
+  private static final String ROADTRIP_10BIT_URI = "asset:///vp9/roadtrip-vp92-10bit.webm";
-  private static final String INVALID_BITSTREAM_URI = "asset:///invalid-bitstream.webm";
+  private static final String INVALID_BITSTREAM_URI = "asset:///vp9/invalid-bitstream.webm";
 
   private static final String TAG = "VpxPlaybackTest";