Enable path ops

Path ops work (to my knowledge) on all platforms.
Turning it on will use the bots to expose failing
combinations I don't know about.
Review URL: https://codereview.chromium.org/14057014

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@8751 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed