Move `BluetoothUtils.isAudioSharingEnabled` away from `AudioSharingModule` as it contains binder call.

Also use `isAudioSharingEnabled` from `AudioSharingRepository` throughout the code for better centralization.

Test: atest
Bug: 360759048
Flag: com.android.settingslib.flags.audio_sharing_qs_dialog_improvement
Change-Id: I885485a5a696eefa73598d3ad1cd6c192daf796f
16 files changed