[automerger skipped] Merge "[RESTRICT AUTOMERGE] Fix UAF in clearkey service's MemoryFileSystem" into qt-dev am: 6889557362 am: b68392b02e -s ours am: 78cc122909

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

Change-Id: I3abf202ad73ee4b32885930b7ff6df13deb2cdcb