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A pixel [R, G_even, G_odd, B] that supplies the test pattern when CaptureRequest.SensorTestPatternMode is SOLID_COLOR.
Each color channel is treated as an unsigned 32-bit integer. The camera device then uses the most significant X bits that correspond to how many bits are in its Bayer raw sensor output.
For example, a sensor with RAW10 Bayer output would use the 10 most significant bits from each color channel.
Optional - This value may be null on some devices.