Merge "A2DP: Enable AAC VBR Offloading" am: 8ca3229e06 am: cef200f972 am: cf4a261ab2 am: a1a56f330d

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

Change-Id: Id87ab135fc9162ac7b4f924770a65abdbdf9839a