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Recently we updated all timeouts in cicerone to be longer because we
were running into too many failures relating to timeouts and we should
be much more lenient with that for now. We also avoid using the D-Bus
default timeout now as well in here so the values are well known.

BUG=chromium:849438
TEST=Builds

Change-Id: I6fef4a25c1056d91fc4059146fa2a67094ad9a5d
Reviewed-on: https://chromium-review.googlesource.com/1246784Reviewed-by: Dan Erat <derat@chromium.org>
Commit-Queue: Jeffrey Kardatzke <jkardatzke@google.com>
Cr-Commit-Position: refs/heads/master@{#594469}