Make AUDIO_USAGE_NOTIFICATION_EVENT available to HALs

This aligns the list of usages between the framework
and HALs

Bug: 199193042
Test: atest android.hardware.audio@7.1-util_tests
Test: atest android.hardware.audio.common@7.1-util_tests
Test: atest VtsHalAudioV7_1TargetTest
Change-Id: I4d7fdbacff87eebcbc8d68dd6ed8cefdd52aa84e
3 files changed