[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: I1d6044cf8b1981b99ed413cc352d72c809d3d0ee