[automerger skipped] [DO NOT MERGE] Fix heap buffer overflow in sbrDecoder_AssignQmfChannels2SbrChannels(). am: 50aa5be388 am: 0468e02e5b am: d20df7ee14 -s ours am: 80ebc985fb -s ours am: 035cf671b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/aac/+/12088847

Change-Id: I8be6b18443220d62f6f0241003080db5da857e61