Remove dependency on Identity in HotwordAudioStreamManager

android.media.permission.Identity is not needed for AppOpsManager calls
and is an unnecessary coupling.

Bug: 258323047
Test: None with this change; pure refactoring
Change-Id: I1c70f95a73e36c2793e87116b426d55ce359b74b
Merged-In: I1c70f95a73e36c2793e87116b426d55ce359b74b
2 files changed