[automerger skipped] Fix heap-use-after-free issue flagged by fuzzer test. am: 73d89318 -s ours

am skip reason: Merged-In I41dde165a5eba151c958b81417d9e1065af1b411 with SHA-1 15b46d31 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24296958



Change-Id: I9ea92de0cad2fd246ebe35e070ed44c58812f784
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>