[automerger skipped] [RESTRICT AUTOMERGE] Fix potential decrypt srcPtr  overflow. am: a7dd68bd2e -s ours am: 0a7ff15094 am: 8dc98947db -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/13411281

Change-Id: I0019a70394844c42c06b94e2a3594b9a04756092