Persist savedFirstTime in checkpoint.
Persist savedFirstTime in checkpoint.

Change-Id: Ibdfdea16fad0608ec104fbccc749e824a171f227

jmcfarlane/prometheus,thachmai/prometheus,jbdalido/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,gesellix/prometheus,amorken/prometheus,jbdalido/prometheus,jmcfarlane/prometheus,kangwoo/prometheus,GoogleCloudPlatform/prometheus,iksaif/prometheus,justintung/prometheus,gottwald/prometheus,Gouthamve/prometheus,AlekSi/prometheus,dmilstein/prometheus,wrouesnel/prometheus,bluecmd/prometheus,gottwald/prometheus,prasincs/prometheus,kzittritsch/prometheus,agaoglu/prometheus,trigrass2/prometheus,kzittritsch/prometheus,RobertKielty/prometheus,slok/prometheus,thachmai/prometheus,Colstuwjx/prometheus,fabxc/prometheus,AlekSi/prometheus,rajthilakmca/prometheus,abhishekamralkar/prometheus,adamron1/prometheus,tomwilkie/prometheus,Gouthamve/prometheus,SaltedMan/prometheus-annotated,iksaif/prometheus,q3k/prometheus,mtanda/prometheus,gcnonato/prometheus,cit-lab/prometheus,Dieterbe/prometheus,jimmidyson/prometheus,gesellix/prometheus,JavierZunzunegui/prometheus,prometheus/prometheus,dmilstein/prometheus,gesellix/prometheus,mrwacky42/prometheus,PrFalken/prometheus,prometheus/prometheus,laushinka/prometheus,brancz/prometheus,adamron1/prometheus,dpatel06/prometheus,mrwacky42/prometheus,datajet-io/prometheus,wrouesnel/prometheus,keegancsmith/prometheus,tomwilkie/prometheus,flier/prometheus,laushinka/prometheus,flier/prometheus,Stackdriver/stackdriver-prometheus,Stackdriver/stackdriver-prometheus,hustbill/prometheus,jbdalido/prometheus,trigrass2/prometheus,laushinka/prometheus,sudhi-vm/prometheus,flier/prometheus,kzittritsch/prometheus,trigrass2/prometheus,justintung/prometheus,laushinka/prometheus,GoogleCloudPlatform/prometheus,tomwilkie/prometheus,rajthilakmca/prometheus,robbiet480/prometheus,fabric8io/prometheus,dln/prometheus,ton31337/prometheus,prometheus/prometheus,kangwoo/prometheus,prasincs/prometheus,slok/prometheus,alileza/prometheus,iksaif/prometheus,cit-lab/prometheus,RobertKielty/prometheus,fabxc/prometheus,thachmai/prometheus,Colstuwjx/prometheus,RobertKielty/prometheus,dmilstein/prometheus,datajet-io/prometheus,datajet-io/prometheus,sudhi-vm/prometheus,tattsun/prometheus,smyrman/prometheus,smyrman/prometheus,JavierZunzunegui/prometheus,smyrman/prometheus,kzittritsch/prometheus,hustbill/prometheus,dalanlan/prometheus,bluecmd/prometheus,sudhi-vm/prometheus,robbiet480/prometheus,adamron1/prometheus,keegancsmith/prometheus,Stackdriver/stackdriver-prometheus,gottwald/prometheus,agaoglu/prometheus,jimmidyson/prometheus,nicr9/prometheus,slok/prometheus,tattsun/prometheus,keegancsmith/prometheus,fabric8io/prometheus,adamron1/prometheus,fabxc/prometheus,eliothedeman/prometheus,robbiet480/prometheus,abhishekamralkar/prometheus,prasincs/prometheus,Stackdriver/stackdriver-prometheus,mtanda/prometheus,yanghongkjxy/prometheus,wxdublin/prometheus,dalanlan/prometheus,dpatel06/prometheus,brancz/prometheus,PrFalken/prometheus,prometheus/prometheus,jbdalido/prometheus,dpatel06/prometheus,prasincs/prometheus,tattsun/prometheus,dln/prometheus,JavierZunzunegui/prometheus,fabric8io/prometheus,ton31337/prometheus,q3k/prometheus,kangwoo/prometheus,alileza/prometheus,mtanda/prometheus,GoogleCloudPlatform/prometheus,agaoglu/prometheus,gcnonato/prometheus,bluecmd/prometheus,agaoglu/prometheus,wndhydrnt/prometheus,AlekSi/prometheus,Conorbro/prometheus,eliothedeman/prometheus,sudhi-vm/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus,keegancsmith/prometheus,JavierZunzunegui/prometheus,eliothedeman/prometheus,dsymonds/prometheus,SaltedMan/prometheus-annotated,mtanda/prometheus,dln/prometheus,amorken/prometheus,bluecmd/prometheus,alileza/prometheus,jmcfarlane/prometheus,gottwald/prometheus,wndhydrnt/prometheus,dsymonds/prometheus,dmilstein/prometheus,msiebuhr/prometheus,abhishekamralkar/prometheus,dsymonds/prometheus,Dieterbe/prometheus,Gouthamve/prometheus,msiebuhr/prometheus,abhishekamralkar/prometheus,Dieterbe/prometheus,justintung/prometheus,GoogleCloudPlatform/prometheus,q3k/prometheus,ton31337/prometheus,fabric8io/prometheus,AlekSi/prometheus,smyrman/prometheus,tomwilkie/prometheus,nicr9/prometheus,gcnonato/prometheus,yanghongkjxy/prometheus,justintung/prometheus,SaltedMan/prometheus-annotated,jmcfarlane/prometheus,Conorbro/prometheus,gesellix/prometheus,thachmai/prometheus,amorken/prometheus,dalanlan/prometheus,iksaif/prometheus,Colstuwjx/prometheus,rajthilakmca/prometheus,mrwacky42/prometheus,msiebuhr/prometheus,slok/prometheus,Conorbro/prometheus,wxdublin/prometheus,dln/prometheus,wrouesnel/prometheus,amorken/prometheus,nicr9/prometheus,datajet-io/prometheus,gcnonato/prometheus,robbiet480/prometheus,jimmidyson/prometheus,wndhydrnt/prometheus,alileza/prometheus,rajthilakmca/prometheus,ton31337/prometheus,fabxc/prometheus,kangwoo/prometheus,hustbill/prometheus,Colstuwjx/prometheus,msiebuhr/prometheus,wrouesnel/prometheus,brancz/prometheus,cit-lab/prometheus,yanghongkjxy/prometheus,hustbill/prometheus,brancz/prometheus,eliothedeman/prometheus,PrFalken/prometheus,Conorbro/prometheus,tattsun/prometheus,dsymonds/promethe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