android: support cross-compiling #6249

Job	Run time
collect-openssl-versions	6s
Build slim tarball	1m 6s
aarch64-darwin: with shared libraries	3m 52s
x86_64-darwin: with shared libraries	3m 50s
aarch64-linux: Cache V8 build	3m 44s
x86_64-linux: with shared libraries	3m 38s
aarch64-linux: with shared ${{ matrix.openssl.attr }} (${{ matrix.openssl.version }})	1s
	16m 17s

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