Add coverage to animation performance tests

This patch adds animation performance tests for SVG, canvas and composited
transform for more coverage of animation methods and to compare the relative
performance characteristics between them.

NOTRY=TRUE

Review URL: https://codereview.chromium.org/25437004

git-svn-id: svn://svn.chromium.org/blink/trunk@159213 bbb929c8-8fbe-4397-9dbb-9b2b20218538