Merge "Use String8/16 c_str [audio]" into main am: ff0aae41 am: 74388d64...

Merge "Use String8/16 c_str [audio]" into main am: ff0aae41 am: 74388d64 am: 812b6651 am: 8766aec2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2723315



Change-Id: Ib7177787559ec994285c3f7e6d7835709c5d12cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>