Merge "Only check pending emergency call if TelephonyConnectionService nonull." into sc-dev am: 985f9204af am: 14615ace50 am: 7a7e73fe4c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/15019314

Change-Id: I93304a941d289a821db2d527c5f26c3af1c93baf