Upgrade cast dependency

Issue: #7191
PiperOrigin-RevId: 305502293

RELEASENOTES.md

@@ -168,6 +168,10 @@
 *   FFmpeg extension: Add support for `x86_64` architecture.
 *   Opus extension: Fix parsing of negative gain values
     ([#7046](https://github.com/google/ExoPlayer/issues/7046)).
+*   Cast extension: Upgrade `play-services-cast-framework` dependency to 18.1.0.
+    This fixes an issue where `RemoteServiceException` was thrown due to
+    `Context.startForegroundService()` not calling `Service.startForeground()`
+    ([#7191](https://github.com/google/ExoPlayer/issues/7191)).
 
 ### 2.11.3 (2020-02-19)
 

demos/cast/src/main/AndroidManifest.xml

@@ -18,6 +18,7 @@
 
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 
   <uses-sdk/>
 

extensions/cast/build.gradle

@@ -31,7 +31,7 @@ android {
 }
 
 dependencies {
-    api 'com.google.android.gms:play-services-cast-framework:17.0.0'
+    api 'com.google.android.gms:play-services-cast-framework:18.1.0'
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     implementation project(modulePrefix + 'library-core')
     implementation project(modulePrefix + 'library-ui')