GPUUploadManager: add pDstBuffer, DstOffset, and NumBytes parameters … #4137

Job	Run time
Linux -> Pre-checks	16s
Linux -> Clang-x64, Debug	10m 23s
Linux -> GCC-x64, Release	10m 30s
Linux -> Clang-NO_GLSLANG-x64, Debug	8m 9s
Linux -> Clang-NO_GLSLANG-NO_HLSL-x64, Release	6m 22s
Linux -> GCC-x64, Debug	12m 1s
Linux -> Clang-x64, Release	13m 5s
	1h 0m 46s

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