Bring `d3d12` crate in-tree #7802

Job	Run time
Test WebAssembly	5m 31s
Test Windows x86_64	9m 23s
Test Mac aarch64	1m 30s
Test Linux x86_64	6m 21s
Run `cargo deny check advisories`	4m 41s
Run `cargo deny check`	5m 28s
Clippy Windows x86_64	4m 7s
Clippy cts_runner	46s
Clippy MacOS x86_64	3m 30s
Clippy MacOS aarch64	4m 4s
Doctest	1m 5s
Clippy IOS aarch64	4m 1s
Clippy Linux x86_64	1m 32s
Clippy Linux aarch64	2m 41s
Format	20s
Clippy Android aarch64	1m 34s
Clippy WebAssembly	1m 42s
Clippy Emscripten	1m 8s
	59m 24s

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