Add support for RemoteXPC #240

Job	Run time
manylinux (x86)	45s
native (windows-x86_64, "windows-latest")	1m 46s
manylinux (x86_64)	45s
mobile (ios-arm64)	37s
native (windows-x86, "windows-latest")	1m 56s
cross (windows-x86_64-mingw, --host=x86_64-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w6...	6m 16s
manylinux (x86_64-musl)	43s
mobile (android-x86)	34s
native (macos-x86_64, "macos-11")	1m 6s
cross (windows-x86-mingw, --host=i686-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w64-i686)	5m 36s
mobile (android-x86_64)	31s
manylinux (armhf)	43s
native (macos-arm64, "macos-latest")	37s
cross (linux-mips, --host=mips-linux-gnu, g++-mips-linux-gnu)	30s
mobile (android-arm)	36s
manylinux (arm64)	48s
native (linux-x86_64, "ubuntu-latest")	22s
cross (linux-mipsel, --host=mipsel-linux-gnu, g++-mipsel-linux-gnu)	32s
mobile (android-arm64)	34s
manylinux (arm64-musl)	44s
cross (linux-mips64, --host=mips64-linux-gnuabi64, g++-mips64-linux-gnuabi64)	42s
native (linux-x86, "ubuntu-latest")	22s
manylinux (mips)	53s
cross (linux-mips64el, --host=mips64el-linux-gnuabi64, g++-mips64el-linux-gnuabi64)	36s
native (freebsd-arm64, ["self-hosted", "freebsd", "arm64"])	1m 7s
manylinux (mipsel)	49s
manylinux (mips64)	51s
qnx-armeabi	54s
manylinux (mips64el)	51s
	33m 6s

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