Merge "Enhance logs and cleanup removed connections." into tm-dev am:...

Merge "Enhance logs and cleanup removed connections." into tm-dev am: ad3dddb3 am: 47c32826 am: 0a21fb00

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/17623304



Change-Id: I02df351157ae5d238e7f3644c99c270c064a0053
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>