Merge "skip load refresh rate profile if null" into udc-d1-dev am: d82149fe8f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24404809

Change-Id: I7a0959fcc84cba0e5fdc7b35a67a917f0a6a174c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>