[automerger skipped] Make BluetoothHeadset APIs used by Telecom into System...

[automerger skipped] Make BluetoothHeadset APIs used by Telecom into System APIs and update am: e0fad4a0 am: e61f1984 am: 24538a2a -s ours am: 6c260636 -s ours am: 9496c93c -s ours

am skip reason: Merged-In I8af246091ae49c8f9cf34c1f4a894b3a66a28cf8 with SHA-1 e03eff65 is already in history

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/1932850

Change-Id: Ia4cf91e5b60132de480b84bbbd7b8b9df9cfcf44