Add Windows builders for libaom and brotli (#1072) #511

Job	Run time
Build SPC Binary for linux-aarch64	28s
Build SPC Binary for windows-x64	27s
Build SPC Binary for macos-x86_64	1m 19s
Build SPC Binary for linux-x86_64	21s
Build SPC Binary for macos-aarch64	1m 0s
Test SPC Binary for windows-x64	18s
Test SPC Binary for linux-aarch64	6s
Test SPC Binary for macos-x86_64	11s
Test SPC Binary for linux-x86_64	9s
Test SPC Binary for macos-aarch64	8s
	4m 27s

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