Support NEON anti-aliasing blit function in SKIA

original function has calculation are called repetitively, and
Processed individual pixels only. So Function call overhead was reduced.
And In contrast to the serial data processing in the existing code,
the Neon code processes 8 or 4 pixels in parallel. In contrast to the
serial data processing in the existing code, the Neon code processes
8 or 4 pixels in parallel

Change-Id: Ib54aeb6bacfd4ed6d257324e8146b211f90b68e9
Signed-off-by: Lee Hwangjae <hj-yo.lee@samsung.com>
skia: Add workaround for gcc 4.8 bug #54781

Change-Id: Ie201f6b1965c945ba9a14a69722dbb498516bec8
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>