Merge "Limit namespace length." into udc-dev am: 6db854c1 am: b0f59b78 am: e218ffbe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23089180



Change-Id: I16b18f488195373717d4c521e40d13cd30f47ab7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>