Move private memory usage detection to PrivateMemoryResolution #4248

Job	Run time
download-OpenCL-Clang	6s
build-SPIRV-LLVM-Translator (20.04, 14)	16s
build-SPIRV-LLVM-Translator (22.04, 14)	10s
build-SPIRV-LLVM-Translator (22.04, 15, true)	14s
build-IGC (20.04, 14, gcc)	49m 47s
build-IGC (20.04, 14, clang)	33m 41s
build-IGC (22.04, 14, gcc)	52m 11s
build-IGC (22.04, 14, clang)	30m 58s
build-IGC (22.04, 15, gcc, true)	46m 10s
	3h 33m 33s

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