Upgrade IMA SDK to 3.19.0

PiperOrigin-RevId: 311106612

RELEASENOTES.md

@@ -185,6 +185,12 @@
     used for AV1 playback using the extension.
 *   IMA extension: Upgrade to IMA SDK version 3.18.2, and migrate to new
     preloading APIs ([#6429](https://github.com/google/ExoPlayer/issues/6429)).
+*   IMA extension:
+    *    Upgrade to IMA SDK version 3.19.0, and migrate to new
+         preloading APIs
+         ([#6429](https://github.com/google/ExoPlayer/issues/6429)).
+    *    Add support for timing out ad preloading, to avoid playback getting
+         stuck if an ad group unexpectedly fails to load.
 *   OkHttp extension: Upgrade OkHttp dependency to 3.12.11.
 *   Cronet extension: Default to using the Cronet implementation in Google Play
     Services rather than Cronet Embedded. This allows Cronet to be used with a

extensions/ima/build.gradle

@@ -39,7 +39,7 @@ android {
 }
 
 dependencies {
-    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.18.2'
+    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.19.0'
     implementation project(modulePrefix + 'library-core')
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     implementation 'com.google.android.gms:play-services-ads-identifier:17.0.0'