Merge "bluetooth.audio@2.1: add handle IsSessionReady for LE offload encoder" am: 05e6b870a4 am: b358dd9da1

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1729161

Change-Id: I33f6c16f7a0c770be4002a1dc6917ac2dd60336b