Add Clock Sample.

There are two possible rendering methods: paths (default) or primitives.
At the moment the rrect primitive only supports axis-aligned rrects for
GPU acceleration, so that will not be a win on GPU.

R=reed@google.com

Review URL: https://codereview.chromium.org/23876008

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@11330 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed