[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: c6134103 -s ours am: 54d7b342 -s ours am: c47ee32a -s ours

am skip reason: skipped by user edwinwong

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

Change-Id: I00923ee9d90b96713020b2090e0fbc7fe0a59b43