Audio sharing dialog on top of bt qs tile dialog.

This CL also created `AudioSharingModule` to provide different implementation based on audio sharing availability.

User could choose to set a device to active or to share audio. Button behavior will be in the next CL.

Test: atest
Bug: 360759048
Flag: com.android.settingslib.flags.audio_sharing_qs_dialog_improvement
Change-Id: I08a2b1aaf4240b71d10f12973815a97027dae4fa