Merge "Updates A11yMenu intro resources to be device-agnostic." into udc-dev am: 6ba2c3e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22229733



Change-Id: I072d2ccd593ded991061fa2f9ca20a8c25b4e0ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>