Merge "Add hidden API to support allowed networks reason" into rvc-dev am: 06e61f7cd5 am: fd75704133 am: 689b8932d1 am: 33a3404c77

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11712805

Change-Id: I27a5a884819357be607036b13c43105bd62e3a5d