tree eb2aadc86c84e57a5ca73cae80a15239939ed869
parent 2b3c02c8763dd6aa677b4f6523a5bf651180b4bf
author Sanjay Chouksey <sanjayc@google.com> 1570808761 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1570808761 +0000

[ermine] Cache status spec for infrequently updating settings.

Some settings like battery charge does not update frequently. This
results in a missing entry for battery until it is updated. This
change caches the last update received from a status provider and
displays that until the next update.

bug: http://fxb/37803 #done
Change-Id: I2f6ff8936a440c6ac93225b57836af9fb3ebe33c