[WIP] api-resolver: Add Swift API resolver #986

Job	Run time
gir	1m 38s
freebsd-arm64	2m 38s
android-intel (x86)	1s
android-arm (arm)	2m 55s
ios-arm64	3m 47s
android-intel (x86_64)	1s
android-arm (arm64)	2m 38s
linux-mips (mips, g++-mips-linux-gnu)	1s
linux-mips (mipsel, g++-mipsel-linux-gnu)	1s
linux-x86	3m 28s
linux-x86_64	4m 6s
macos-x86_64	4m 48s
linux-mips (mips64, g++-mips64-linux-gnuabi64)	1s
linux-mips (mips64el, g++-mips64el-linux-gnuabi64)	1s
qnx-armeabi	3m 57s
windows (amd64_x86)	8m 26s
windows (amd64)	7m 52s
	46m 19s

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