Add shader for Clamp_S32_Opaque_D32_filter_DX.
Add shader for Clamp_S32_Opaque_D32_filter_DX.

Adds a NEON optimized shader for S32_Opaque_D32_filter_DX when
running with clamped tile mode.
Improves performance of browser and many other applications.

Change-Id: Ic3d83bfd70c8b0c6c956482db5f3a08667655d6e
Signed-off-by: Henrik Smiding <6d299cc47d6d35c32bbc7a3351feef497705fdf7@stericsson.com>
Signed-off-by: Patrik Ryd <c90cc58c87de5ea9faa5a3d671c91d45edbf3836@stericsson.com>

X-ROM/android_external_skia,InsomniaROM/platform_external_skia,X-ROM/android_external_skia,InsomniaROM/platform_external_skia,InsomniaROM/platform_external_skia,X-ROM/android_external_skia,InsomniaROM/platform_external_skia,X-ROM/android_external_skia