v8: add GCProfiler support for erm #2553

Job	Run time
Build slim tarball	1m 30s
x86_64-linux: with shared libraries	27m 33s
x86_64-darwin: with shared libraries	46m 5s
aarch64-linux: with shared libraries	22m 19s
aarch64-darwin: with shared libraries	27m 10s
	2h 4m 37s

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