[automerger skipped] AVRCP: Use calloc to zero reserved fields am: 89df81fc...

[automerger skipped] AVRCP: Use calloc to zero reserved fields am: 89df81fc -s ours am: fc36e3a1 am: 635e4ce5 am: 0ca5c483 am: 1def53eb

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/bt/+/13204458

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I128905fcaf5c745e9b20caa9112307688e62a7c1