BVT

Add CxPlatAsync to simplify creating threads with cxplat #146

Job	Run time
Build MacOs (Release, macos, macos-12, x64) / Build	30s
Build Ubuntu (Debug, linux, ubuntu-22.04, x64) / Build	2m 35s
Build MacOs (Debug, macos, macos-12, x64) / Build	28s
Build Ubuntu (Debug, linux, ubuntu-20.04, x64) / Build	2m 40s
Build Ubuntu (Release, linux, ubuntu-20.04, x64) / Build	2m 41s
Build Ubuntu (Release, linux, ubuntu-22.04, x64) / Build	2m 29s
Build WinUser (Debug, windows, windows-2022, x64) / Build	2m 14s
Build WinUser (Release, windows, windows-2022, x64) / Build	1m 41s
Build WinKernel (Debug, winkernel, windows-2022, x64) / Build	1m 51s
Build WinKernel (Release, winkernel, windows-2022, x64) / Build	1m 32s
BVT Kernel (Debug, winkernel, windows-2022, x64)	25s
BVT Kernel (Release, winkernel, windows-2022, x64)	22s
BVT (Debug, linux, ubuntu-20.04, x64)	46s
BVT (Release, linux, ubuntu-20.04, x64)	42s
BVT (Debug, linux, ubuntu-22.04, x64)	44s
BVT (Release, linux, ubuntu-22.04, x64)	56s
BVT (Debug, windows, windows-2019, x64)	14s
BVT (Release, windows, windows-2019, x64)	17s
BVT (Debug, windows, windows-2022, x64)	18s
BVT (Release, windows, windows-2022, x64)	19s
BVT (Debug, macos, macos-12, x64)	11s
BVT (Release, macos, macos-12, x64)	10s
Complete	1s
	24m 6s

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