Fix for SkMatrix::invert() for large coordinate values.
Fix for SkMatrix::invert() for large coordinate values.

See http://codereview.appspot.com/1731053



git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@589 2bbb7eff-a529-9590-31e7-b0007b416f81

metajack/skia,Frankie-666/color-emoji.skia,mrobinson/skia,MatChung/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,Cue/skia,Frankie-666/color-emoji.skia,mrobinson/skia,Frankie-666/color-emoji.skia,hbwhlklive/color-emoji.skia,Frankie-666/color-emoji.skia,mrobinson/skia,Hankuo/color-emoji.skia,metajack/skia,mrobinson/skia,Cue/skia,hbwhlklive/color-emoji.skia,hbwhlklive/color-emoji.skia,hbwhlklive/color-emoji.skia,Hankuo/color-emoji.skia,Hankuo/color-emoji.skia,metajack/skia,Hankuo/color-emoji.skia,Cue/skia,Hankuo/color-emoji.skia,hbwhlklive/color-emoji.skia,mrobinson/skia,hbwhlklive/color-emoji.skia,MatChung/color-emoji.skia,Hankuo/color-emoji.skia,MatChung/color-emoji.skia,metajack/skia,Frankie-666/color-emoji.skia,Cue/skia