GLES : add DepthTestPassed() & StencilTestPassed() 

It used to determine for stencil fail & depth fail/pass



Tested with following games that affected by stencil testing and no regression .

-Unaffected
1. Brave Story
2. Outrun 2006
3. FF4

-Helped
-Midnight Club 4 (90% correct)
![screen00042](https://f.cloud.github.com/assets/3000282/1321519/e5a5da8c-33d1-11e3-979c-43c5296110c8.jpg)

-Star Ocean (Still incorrect but no need to use stencil hack)
![screen00043](https://f.cloud.github.com/assets/3000282/1321530/8f316166-33d2-11e3-8ad3-a7d7f5cdab5e.jpg)