[RESTRICT AUTOMERGE] Check permission for VoiceInteraction

The service must have the CAPTURE_AUDIO_HOTWORD permission to access
AlwaysOnHotwordDetector. If it doesn't have the permission, return
STATE_HARDWARE_UNAVAILABLE state. If it is not granted the
RECORD_AUDIO permisison, it also can't start to recognize the audio.

Test: manual
Test: atest CtsVoiceInteractionTestCases
Test: atest CtsAssistTestCases
Bug: 229793943
Change-Id: I7d0f8d2f6af4bc4210060f0a44469db2afc7a1bb
Merged-In: I7d0f8d2f6af4bc4210060f0a44469db2afc7a1bb