Merge "Add hidden API to support allowed networks reason" into rvc-dev am: 844ca213 am: 6a86b569 am: 97eea700

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/11715931

Change-Id: I20688fe47a7c34632c20749d23bd87c0cf468cea