Merge "Launch admin policies settings screen if not possible to launch help...

Merge "Launch admin policies settings screen if not possible to launch help page" into sc-dev am: 144dab97 am: 2c7e6ce2 am: 241053a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15286676

Change-Id: I727ab63a611f521a3710f851667753f9a2905f7f