[autotest] Fix syntax of power_IdleServer.

Removing excessive ) in if statement.

TEST=Pylint
BUG=None

Change-Id: I039d5d058f27d7f2d6ccf9ffc4486eb4eaef2fad
Reviewed-on: https://gerrit.chromium.org/gerrit/36608
Commit-Ready: Alex Miller <milleral@chromium.org>
Reviewed-by: Alex Miller <milleral@chromium.org>
Tested-by: Alex Miller <milleral@chromium.org>
1 file changed