zero: Remove RS driver optimizations
zero: Remove RS driver optimizations

This shreds skia in half somehow.
Both the generic and neon skia calls fail to draw
opaque formats with this (in our case, that's mostly
RGBA/BGRA_8888 formats).

Change-Id: I2daf858735de5e6c592c891a11c0975d391938b3
Signed-off-by: Brandon McAnsh <b221b0128acc8543b2071d143ea6dbc7b1554a73@gmail.com>

TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common