Merge "Add shell command to trigger ECBM mode Fix EmergencyCallBackMode dialog Overlaid issue" into sc-dev am: 140dcf9e97

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/13668027

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2662810f791a1bb8c566e55467328f23ce6030b5