Enable process restart behavior for VisualQueryDetectionService

Since VisualQueryDetectionService shares process with
HotwordDetectionService and when the latter restarted the former should
also be restarted and calls the correct onRestart method. Add this
capability.

Bug: 265535257
Test: atest CtsVoiceInteractionTestCases
Change-Id: Ie050d5f50b01d1f9e29e4fe4c8a48ed9bf116861