This CL effectively reverts:

This CL effectively reverts:

r5997 Altered arcTo's canonical points to (usually) be convex (https://codereview.appspot.com/6709051/)
r9928 GM (and fix) for drawArc capping issue (https://codereview.chromium.org/18271003/)

Instead of pushing some of the on-curve points out to attain convexity, this patch pulls all the off curve points in.

R=reed@google.com

Review URL: https://codereview.chromium.org/24810002

git-svn-id: http://skia.googlecode.com/svn/trunk@11504 2bbb7eff-a529-9590-31e7-b0007b416f81