Merge "DrmStatus: refactor string ctor" am: e777420af7

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

Change-Id: Ica29693277ec7aad0f59972a97e19f07d4e8b5d0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>