aeb2f620f1
Also don't detach any attached player in release() to prevent a possible NullPointerException if ImaAdsLoader.release() runs first, then the MediaSource is released and detaches the player. This is safe because if the loader was attached it's guaranteed to be detached. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=163673750