[automerger skipped] [RESTRICT AUTOMERGE] Fix clearkey CryptoPlugin use after free vulnerability. am: abb7ad47b0 am: 2e056f1923 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/13499528

Change-Id: I1eca94fe9a0491c44bc4a5314f8d5283076fb292