Merge "Flag roundness/1: Remove Flags.USE_ROUNDNESS_SOURCETYPES" into udc-dev am: d27cba9d am: 01abc685 am: 20655b05

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22746541



Change-Id: I3b0de40e57c92523819b225bb20b9290f403943b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>