Merge "Revert "Revert "Launch admin policies settings screen if not possible to launch help page""" into sc-dev am: 8e530f81 am: a42bf3c8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15346893

Change-Id: I16c12ca938279029753538ee8b784592a3418397