Extend UpdateTextureFromBuffer tests to cover all mip levels #4389

Job	Run time
Linux -> Pre-checks	19s
Linux -> Clang-x64, Release	13m 1s
Linux -> GCC-x64, Debug	13m 27s
Linux -> GCC-x64, Release	11m 6s
Linux -> Clang-NO_GLSLANG-x64, Debug	8m 24s
Linux -> Clang-NO_GLSLANG-NO_HLSL-x64, Release	6m 46s
Linux -> Clang-x64, Debug	14m 6s
	1h 7m 9s

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