Merge "Clear calling identity to grant CDM permission when checking device...

Merge "Clear calling identity to grant CDM permission when checking device config." into udc-dev am: a638fdce

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23736406



Change-Id: Ie97d1062b63095533709c44cc32d71b8516b0d8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>