Merge "Don't depend on String8 cast to C string [drm]" into main am: 15272cf2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2748300



Change-Id: I560a707f4167057cc45f824fca9e96286c48a6c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>