Merge "DrmStatus: refactor string ctor" am: e777420af7 am: 47e67c9bed am: ccfd0aeb25

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2362830

Change-Id: Ib3345c61a2bbacbfe014dd08ffea60e3836a3a4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>