Merge "[connectivity helper] - improve notification details - only send notification if a sliding window conditions pass - only send notification once in a time period - make the notification disappear once call ends" am: 3b52016ad4 am: 12ed485fe2 am: 9ebf681b24 am: f35f9d8086

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1607581

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id93e0033a6c92676ff95f67d92c10af8962dac2b