[dawn][d3d] Pass remapped entry point name to Tint #4596

Job	Run time
Go Build and Test	47s
CMake-windows-latest-Debug-msvc	13m 49s
CMake-windows-latest-Release-msvc	17m 10s
CMake-ubuntu-latest-Debug-gcc	1h 6m 3s
CMake-ubuntu-latest-Release-gcc	1h 12m 45s
CMake-macos-latest-Debug-clang	18m 56s
CMake-macos-latest-Release-clang	21m 24s
CMake-macos-13-Debug-clang	57m 17s
CMake-macos-13-Release-clang	51m 12s
	5h 19m 23s

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