tree 71cd783e7c5569d1ddee30a3a9692f283ddac06e
parent c8d91e54873d3490e01d9aa5dac83e7bd9192ff0
author Thieu Le <thieule@chromium.org> 1359403728 -0800
committer ChromeBot <chrome-bot@google.com> 1359594522 -0800

shill: cellular: Add LTE drop metrics.

Network.Shill.Cellular.Drop and
Network.Shill.Cellular.SignalStrengthBeforeDrop.

BUG=chromium-os:38165
TEST=Drop cellular signal and check chrome://histograms

Change-Id: Iddf25c903e07d55486c77cadd9b1d5898d40de0a
Reviewed-on: https://gerrit.chromium.org/gerrit/42329
Reviewed-by: Thieu Le <thieule@chromium.org>
Tested-by: Thieu Le <thieule@chromium.org>
Commit-Queue: Thieu Le <thieule@chromium.org>