[automerger skipped] Merge "Fix potential overflow in WAV extractor" into pi-dev am: a8cd33c2 -s ours

am skip reason: Change-Id I73edd5fc0da80dc2cdd26c6fcd09496b2c828ba9 with SHA-1 66c0c427 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/12972924

Change-Id: I19d553b912a2ac0f74cba583dc033bad8fabf414