Rebase LE audio test app with new APIs am: 15c83448 am: 70b6e76a am: 59d9caae am: 0a15b6bc

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2024883



Change-Id: I6d6cf9c1b000eb96178228f40674d2738052a6bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>