Merge "Split and streamline create and control requests" into udc-dev am: b6751e8275 am: 63a237c6d7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22959087

Change-Id: Icd38a6d1d30200ff74643a0030aeb3b67978bae1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>