storage/garbagecollect: add emit commits for when dryRun is false
storage/garbagecollect: add emit commits for when dryRun is false

Signed-off-by: Jess Frazelle <e0d1a862d8f31af605ecef8c92857b8938ba622e@google.com>

shyr/distribution,sadlil/distribution,jzwlqx/distribution,dmcgowan/distribution,manoj535/distribution,miminar/distribution,mbentley/distribution,mikebrow/distribution,docker/distribution,RichardScothern/distribution,konstruktoid/distribution,konnase/distribution,yuwaMSFT2/distribution,duglin/distribution,nwt/distribution,estesp/distribution,konnase/distribution,sadlil/distribution,miminar/distribution,jwhonce/distribution,thaJeztah/distribution,jzwlqx/distribution,mbentley/distribution,estesp/distribution,vdemeester/distribution,dmcgowan/distribution,harrisonfeng/distribution,nwt/distribution,mikebrow/distribution,huamai-io/distribution,docker/distribution,sergeyfd/distribution,sergeyfd/distribution,harrisonfeng/distribution,jwhonce/distribution,thaJeztah/distribution,cezarsa/distribution,shyr/distribution,huamai-io/distribution,duglin/distribution,dobril-stanga/distribution,manoj535/distribution,spacexnice/distribution,RichardScothern/distribution,konstruktoid/distribution,dobril-stanga/distribution,vdemeester/distribution,yuwaMSFT2/distribution,cezarsa/distribution,spacexnice/distribution