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

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

Change-Id: I71ea415da1123e93877dc57290f1cf73de17aab8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>