gralloc: add support for HAL_PIXEL_FORMAT_BLOB

so that we could have CtsNativeHardwareTestCases pass

Test: manually cts with hikey

Change-Id: Icaa6062d7eecc1b41b2b3374accdbbe39f4e3bc0
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
1 file changed