Camera (Android): add empty color space result #723

Job	Run time
FreeBSD-amd64	7m 44s
Linux-amd64	2m 48s
Linux build test (gcc, g++, ON)	51s
Linux-aarch64	10m 34s
Linux build test (gcc, g++, OFF)	45s
macOS-universal	9m 0s
Linux build test (clang, clang++, ON)	1m 1s
spellcheck	13s
Windows-amd64	2m 25s
Linux build test (clang, clang++, OFF)	1m 6s
Linux build test (musl-gcc, musl-g++, OFF)	45s
Windows-i686	6m 46s
Release	0s
	43m 58s

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