[polymer] - Fix indent.
[polymer] - Fix indent.

TBR=aiolos@chromium.org

Review-Url: https://codereview.chromium.org/2187563002

sahiljain/catapult,sahiljain/catapult,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult,benschmaus/catapult,sahiljain/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,sahiljain/catapult,sahiljain/catapult,sahiljain/catapult,catapult-project/catapult,benschmaus/catapult,catapult-project/catapult,benschmaus/catapult,benschmaus/catapult,benschmaus/catapult,benschmaus/catapult,catapult-project/catapult-csm,benschmaus/catapult,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult