Merge "Use String8/16 c_str [drm]" into main am: 3cc1fa796e am: 7da95bfa92 am: c63586cf30

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2723935

Change-Id: I0ebc7e55e1d7e72125ccdb9f18d9d1b36540ffa0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>