Merge "Move some definitions into anonymous namespaces" into udc-qpr-dev am: 635339c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23452220



Change-Id: Ie330fd61d0a4057beed3c3de2556cb40043cbdb3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>