Merge "Fix null pointer issue of accesibility learn more button click event"...

Merge "Fix null pointer issue of accesibility learn more button click event" into sc-v2-dev am: e8582f9c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/15678258

Change-Id: Ifc595fa8d33e5244b96d28ef17615e1955b20551