Modify apex_available to Bluetooth apex am: a29275087a

Original change: https://android-review.googlesource.com/c/platform/external/libldac/+/3445375

Change-Id: I6fec855822b45a1f42aef1b4791ef0e94aae2efa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>