Merge "Merge "Fix issue where disconnect cause notification does not fire."...

Merge "Merge "Fix issue where disconnect cause notification does not fire." into rvc-dev am: 73e9d62d am: 31d788a7 am: e9de5092" into rvc-qpr-dev-plus-aosp am: 1a7b008b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/11762949

Change-Id: I18e2b0d667c041ee0c6a5caf83c4565e6ac10637