Merge "Revert "Revert "Launch admin policies settings screen if not possible to launch help page""" into sc-dev am: 8e530f81 am: a42bf3c8 am: d5cab717

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

Change-Id: Iaed917e49be1b190686f3b07ca94bd3a4af09848