Fix deadlock when fetching active voice interaction service component.

- Notify AM whenever the active voice interaction service changes and
  dependency on VoiceInteractionManagerService from AM.

Bug: 70616466
Test: android.server.am.ActivityManagerAssistantStackTests
Change-Id: Ifd3dcbf0b6afc7b3e8a1d9d29bacd5b04af2a15d
4 files changed