v8: add heap profile API #4854

Job	Run time
Build slim tarball	2m 14s
aarch64-darwin: with shared libraries	23m 9s
x86_64-linux: with shared libraries	24m 53s
x86_64-darwin: with shared libraries	34m 36s
aarch64-linux: with shared libraries	21m 41s
	1h 46m 33s

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