Partial fix for visibility bugs in chart tooltip.
Partial fix for visibility bugs in chart tooltip.

Use matching animations and set visibility after animation.

NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2167533003

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