[automerger skipped] Merge "[RESTRICT AUTOMERGE] Fix UAF in clearkey service's MemoryFileSystem" into qt-dev am: 68895573 am: b68392b0 -s ours

am skip reason: subject contains skip directive

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

Change-Id: Iceb881f3b875f5ce6c13cbe8716d3fd19ca3cde0