v8: add GCProfiler support for erm #2154

Job	Run time
Build slim tarball	1m 32s
aarch64-linux: with shared libraries	22m 9s
x86_64-linux: with shared libraries	26m 31s
x86_64-darwin: with shared libraries	35m 7s
aarch64-darwin: with shared libraries	30m 56s
	1h 56m 15s

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