commit 230cd444fd78f75f85225fb8369dcd0e09fed1c2
author Yu-Hsuan Hsu <yuhsuan@chromium.org> Fri Oct 05 13:36:43 2018 +0800
committer chrome-bot <chrome-bot@chromium.org> Fri Oct 05 07:54:46 2018 -0700
tree b6ec0141db5557c4d67d2d24d3005c89553ccc6c
parent c9489d752a3db511c3bdc38a40a2d727b534354b

CRAS: server_metrics - Log the highest hardware level per device

When we remove device, metrics will log the highest hardware level to UMA. It
can help us to know how often the users get overrun.

BUG=b:116066435
TEST=The highest hardware level can be recorded well on peppy.

Change-Id: I5c42cc33c209b041fc5e88bc1688f50ed4592b13
Reviewed-on: https://chromium-review.googlesource.com/1263699
Commit-Ready: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Tested-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>