Introduce custom StatusView component.

Test: wm density ###

Change-Id: Ie8ef554ff8ff8f8f1d1828f6866a0d1868a2ac06
Bug: 871798
Reviewed-on: https://chromium-review.googlesource.com/c/1367872
Commit-Queue: Tomasz Wiszkowski <ender@google.com>
Reviewed-by: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615644}
6 files changed