exynos4: fimg2d acceleration

http://git.insignal.co.kr/insignal/origen_quad-jb_mr1.1/android/platform/external/skia/commit/?h=origen_quad-jb_mr1.1&id=7a2cdab99f7a27e2566afbf8c0a2d3ea64c8a375

Change-Id: If605106881540f2170249e6446770ec95b4667b3
skia: exynos4: add support for fimg2d3x

Change-Id: Ie0509e7d537fe2a73b23c30f5128d80ee48c1d7d
Merge branch 'jb-mr1' of https://github.com/AOKP/external_skia into jb-mr1