Merge "Don't depend on String8 cast to C string [audio]" into main am: ecc3e1af82 am: 7ccd2acee4 am: 5d85015acd am: fba75dbb1d am: 9bedbbc6f8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2748354

Change-Id: I95c13f0fdd544ef6478bebadcd317952b16df9b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>