[automerger skipped] Merge "[RESTRICT AUTOMERGE] Fix UAF in clearkey service's...

[automerger skipped] Merge "[RESTRICT AUTOMERGE] Fix UAF in clearkey service's MemoryFileSystem" into qt-dev am: 68895573 am: b68392b0 -s ours am: 78cc1229 am: 1bedb86a am: 5747c1fe -s ours am: 57ad8331

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/13711823

Change-Id: I68b7511fc1f08b8b67721936b72f213e01c4cff7