Bump targetSdkVersion to 29 for demo apps only

PiperOrigin-RevId: 283324612

constants.gradle

@@ -16,7 +16,8 @@ project.ext {
     releaseVersion = '2.11.0'
     releaseVersionCode = 2011000
     minSdkVersion = 16
-    targetSdkVersion = 28
+    appTargetSdkVersion = 29
+    targetSdkVersion = 28 // TODO: Bump once b/143232359 is resolved
     compileSdkVersion = 29
     dexmakerVersion = '2.21.0'
     mockitoVersion = '2.25.0'

demos/cast/build.gradle

@@ -26,7 +26,7 @@ android {
         versionName project.ext.releaseVersion
         versionCode project.ext.releaseVersionCode
         minSdkVersion project.ext.minSdkVersion
-        targetSdkVersion project.ext.targetSdkVersion
+        targetSdkVersion project.ext.appTargetSdkVersion
     }
 
     buildTypes {

demos/main/build.gradle

@@ -26,7 +26,7 @@ android {
         versionName project.ext.releaseVersion
         versionCode project.ext.releaseVersionCode
         minSdkVersion project.ext.minSdkVersion
-        targetSdkVersion project.ext.targetSdkVersion
+        targetSdkVersion project.ext.appTargetSdkVersion
     }
 
     buildTypes {

demos/main/src/main/AndroidManifest.xml

@@ -34,6 +34,7 @@
       android:banner="@drawable/ic_banner"
       android:largeHeap="true"
       android:allowBackup="false"
+      android:requestLegacyExternalStorage="true"
       android:name="com.google.android.exoplayer2.demo.DemoApplication"
       tools:ignore="UnusedAttribute">
 

demos/surface/build.gradle

@@ -26,7 +26,7 @@ android {
         versionName project.ext.releaseVersion
         versionCode project.ext.releaseVersionCode
         minSdkVersion 29
-        targetSdkVersion 29
+        targetSdkVersion project.ext.appTargetSdkVersion
     }
 
     buildTypes {