Merge "Added unit tests for SubscriptionManagerService" into udc-dev am: 816e6132 am: 1ca2ce9a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/21503657



Change-Id: I9d2d03bcf36a4c75149bf88318bd2214648342e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>