Merge "Merge "Add `value_` prefix" into udc-dev am: 6e4c58a2 am: a8234e67 am: 9e20a8a0" into udc-qpr-dev-plus-aosp am: 2dec1896

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23564277



Change-Id: I556fccb29a96ad90d97eb1982da029137cd8668a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>