Merge "Clean up: remove LE audio hardware offload in Bluetooth audio HAL 2.1" am: 297d2f1c44 am: 756676341a am: 41c374b986

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1917160

Change-Id: Iea324f9b2c4ecf3d8ddce4f8eeabbe8c5dc67f3a