PM-918 associate an extra metadata key final_output to ensure pegasus-rc-client populates extra attributes correcctly.
PM-918 associate an extra metadata key final_output to ensure
pegasus-rc-client populates extra attributes correcctly.

pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus