Merge "Add missing validation in data classes" into udc-dev am: eff2a6c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21612536



Change-Id: I33966aa1b2b24769025f3391b723627a98b78e78
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>