[automerger skipped] Fix heap-use-after-free issue flagged by fuzzer test. am: 7ff382cb -s ours

am skip reason: Merged-In I41dde165a5eba151c958b81417d9e1065af1b411 with SHA-1 73d89318 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24303956



Change-Id: I1a14f80769bb77d4faac8c49a741f277ecd1e582
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>