Merge "Extract inner helper from AccessibilitySettings to public" into tm-dev...

Merge "Extract inner helper from AccessibilitySettings to public" into tm-dev am: a0eeda0d am: 55e78599

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17321712



Change-Id: Iacde1fb07ceb8bc323e707e0577f5fa4ee68972e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>