Merge "Add validation TOO_SHORT_WHEN_ALL_NUMERIC" into tm-dev am: 4f4e8dd3 am: 92c8f95c am: fcd9bdc7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17799990



Change-Id: I6c2779093136a0f8aef7ff7575e4535f5c756c00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>