Add exoplayer imports

#minor-release

PiperOrigin-RevId: 535268825
(cherry picked from commit e7d1c57e80b7416a8093c098ccc9b927d361fe16)

library/common/src/main/java/com/google/android/exoplayer2/PlaybackException.java

@@ -31,6 +31,7 @@ import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.util.Clock;
 import com.google.android.exoplayer2.util.Clock;
 import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.util.Util;
+import com.google.android.exoplayer2.util.VideoFrameProcessor;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.RetentionPolicy;

library/common/src/main/java/com/google/android/exoplayer2/source/ads/AdPlaybackState.java

@@ -33,6 +33,7 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.Bundleable;
 import com.google.android.exoplayer2.Bundleable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.Timeline;
+import com.google.android.exoplayer2.source.MediaPeriodId;
 import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Retention;