Update comment in GrDrawState.h to reflect renaming changes and expansion of the scope of effects. Review URL: https://codereview.appspot.com/6777059
Update comment in GrDrawState.h to reflect renaming changes and expansion of the scope of effects.
Review URL: https://codereview.appspot.com/6777059

csulmone/skia,csulmone/skia,csulmone/skia,csulmone/skia