Merge "A2DP: Enable AAC VBR Offloading" am: 8ca3229e06 am: cef200f972 am: cf4a261ab2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1341040

Change-Id: I74cd076768f21e9f51fbf90f4b9813405fb08396