[automerger skipped] Fix double free of play policy in a race condition. am:...

[automerger skipped] Fix double free of play policy in a race condition. am: 537144f7 -s ours am: 77f74ed8 -s ours am: 79c4cf52 -s ours am: 3c525b07 -s ours am: 87c1e3ef -s ours am: 4d8ffde9 -s ours am: 570d8fa9 -s ours am: 014b1d79 -s ours

am skip reason: skipped by user edwinwong

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/13290133

Change-Id: Ie7ab29d13f428bab0ab4b5498c3cafe190cc5e7c