gralloc: add support for HAL_PIXEL_FORMAT_BLOB

so that we could have CtsNativeHardwareTestCases pass

Test: manually cts with hikey

Change-Id: Ia5b3fec3f11f3c0e94e4d5208bb9d04ef872e2ad
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
1 file changed