audio HAL - fix UAFs

resolve merge conflicts of bd78085f08d5e342a1e0b02dde7a25832c2dd62e to pi-dev

Bug: 185259758
Test: N/A
Change-Id: Ia85fb88e85e94b4d63fc155d89063bba6c61e875
Merged-In: I5ec70b098a00746108e10ab39e966607d78c84ae
2 files changed