GitLab

Specifically, if in applying a property from a client another
property changed, then client would not be notified.

BUG=none
TEST=covered by test

Change-Id: Ie0f28eb07a7874a9acdcb4fd4f94b2eda03a040b
Reviewed-on: https://chromium-review.googlesource.com/1240197Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593710}