Merge "SpatialAudio: Set low latency allowed signal at startSession The logic...

Merge "SpatialAudio: Set low latency allowed signal at startSession The logic is that to send FREE and LOW_LATENCY to audio at startSession, if bt receives setLowLatencyModeAllowed(true) before start session. If the parameter false, or bt doesn't receive the signal at all, then bt sends FREE to audio." am: 5cde687f am: 0bac5ee1

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1985688

Change-Id: Ib246fbf7cefa1cd6c0873d1f8133d7e0e40bda70