btif: av: report status and error code when propagating connection state

Update the btif_av interface to utilize the new error struct to report status and error code when pass the connection states back to the higher layer.

BUG: 240781725
Tag: #floss
Test: ./build.py
Test: emerge-${BOARD} floss
Test: gd/cert/run
Change-Id: I54e1cd270abc70a6f79fa6bad941765c10ec79ae