Merge "Move libbluetooth_audio_session out of v2.0 folder" am: f83049be6b am: b15b409fdf

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1570284

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8e03a2707cf221e7952e29851cf82451ee10cba9