Merge "[sf] avoid traversals for cursor updates and buffer udpates" into udc-dev am: 4530ad4d4d am: 92455a5c72

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23147418

Change-Id: I9f507e07933f1085d76f1de7024a8278309c0c85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>