Merge "Ensure the learn more string meet Accessibility requirement." into tm-dev am: 53cd2485 am: fc37e3e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18089226



Change-Id: I05e18efe7c19c9babad2cb42bb13167a9cc34b4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>