stream: deprecate legacy prependListener fallback #4661

Job	Run time
Build slim tarball	2m 16s
aarch64-darwin: with shared libraries	23m 50s
x86_64-linux: with shared libraries	22m 54s
x86_64-darwin: with shared libraries	44m 16s
aarch64-linux: with shared libraries	19m 2s
	1h 52m 18s

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