AudioFlinger: Create MelReporter callback

Test: atest AudioTrackTest AudioRecordTest
Test: Camera YouTube
Bug: 291319167
Merged-In: Icd73c1e4d47f6a8eac85001771fc356d161b4f08
Change-Id: Icd73c1e4d47f6a8eac85001771fc356d161b4f08
4 files changed