AudioFlinger: Create PatchPanel callback

Test: atest AudioTrackTest AudioRecordTest
Test: Camera YouTube
Bug: 291319167
Merged-In: I3b851a1b1b50edd76305957c8b91521e0cb1d23d
Change-Id: I3b851a1b1b50edd76305957c8b91521e0cb1d23d
5 files changed