Codegen parameter for query json serialization (#21718) #162

Job	Run time
Build Erlang projects (samples/client/petstore/erlang-client/)	26s
Build Erlang projects (samples/client/petstore/erlang-proper/)	17s
Build Erlang projects (samples/server/echo_api/erlang-server/)	29s
Build Erlang projects (samples/server/petstore/erlang-server/)	28s
	1m 40s

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