I forgot to flip (or rather unflip) the Y coord in r536. Tested particle system sample and ran conformance tests. All conformance tests passed.

Review URL: http://codereview.appspot.com/4093043

git-svn-id: https://angleproject.googlecode.com/svn/trunk@537 736b8ea6-26fd-11df-bfd4-992fa37f6226