Change Arabic sample character from 0x0600 to 0x0627.
Change Arabic sample character from 0x0600 to 0x0627.

Arabic font on some devices doesn't have 0x0600 glyph and is not correctly
handled by complex text path.

BUG=6772513

Review URL: https://codereview.appspot.com/6497053

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@5336 2bbb7eff-a529-9590-31e7-b0007b416f81

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