Use abbreviated Change-Id in merge messages
Use abbreviated Change-Id in merge messages

Instead of recording the internal database sequence number, record
the abbreviation we show in the UI, and that we want users to use
for searching in the future as try to move to a distributed database.

Change-Id: I2174616287e6404f2c115ac5c64c327f24f0a343
Signed-off-by: Shawn O. Pearce <f3ea74d906fa9fe97c1fef6bad9cb871485c7045@google.com>

jackminicloud/test,jackminicloud/test,Overruler/gerrit,hdost/gerrit,GerritCodeReview/gerrit,catrope/gerrit,GerritCodeReview/gerrit,CandyShop/gerrit,renchaorevee/gerrit,thesamet/gerrit,Overruler/gerrit,1yvT0s/gerrit,dwhipstock/gerrit,pkdevbox/gerrit,pkdevbox/gerrit,dwhipstock/gerrit,qtproject/qtqa-gerrit,zommarin/gerrit,sudosurootdev/gerrit,bootstraponline-archive/gerrit-mirror,Team-OctOS/host_gerrit,Saulis/gerrit,atdt/gerrit,midnightradio/gerrit,austinchic/Gerrit,MerritCR/merrit,netroby/gerrit,keerath/gerrit_newssh,austinchic/Gerrit,joshuawilson/merrit,renchaorevee/gerrit,Distrotech/gerrit,anminhsu/gerrit,teamblueridge/gerrit,gerrit-review/gerrit,duboisf/gerrit,quyixia/gerrit,bootstraponline-archive/gerrit-mirror,catrope/gerrit,cjh1/gerrit,WANdisco/gerrit,gcoders/gerrit,atdt/gerrit,thinkernel/gerrit,netroby/gerrit,joshuawilson/merrit,anminhsu/gerrit,thinkernel/gerrit,gerrit-review/gerrit,thesamet/gerrit,bpollack/gerrit,anminhsu/gerrit,Distrotech/gerrit,keerath/gerrit_newssh,thinkernel/gerrit,sudosurootdev/gerrit,ashang/aaron-gerrit,evanchueng/gerrit,gcoders/gerrit,TonyChai24/test,netroby/gerrit,Saulis/gerrit,cjh1/gerrit,renchaorevee/gerrit,gracefullife/gerrit,anminhsu/gerrit,Saulis/gerrit,dwhipstock/gerrit,duboisf/gerrit,basilgor/gerrit,hdost/gerrit,midnightradio/gerrit,Saulis/gerrit,gcoders/gerrit,Overruler/gerrit,basilgor/gerrit,CandyShop/gerrit,Overruler/gerrit,midnightradio/gerrit,Team-OctOS/host_gerrit,austinchic/Gerrit,thesamet/gerrit,jackminicloud/test,keerath/gerrit_newssh,qtproject/qtqa-gerrit,quyixia/gerrit,thesamet/gerrit,Overruler/gerrit,Seinlin/gerrit,basilgor/gerrit,netroby/gerrit,skurfuerst/gerrit,joshuawilson/merrit,Seinlin/gerrit,catrope/gerrit,GerritCodeReview/gerrit,m1kah/gerrit-contributions,gcoders/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,ckamm/gerrit,teamblueridge/gerrit,sudosurootdev/gerrit,Distrotech/gerrit,MerritCR/merrit,joshuawilson/merrit,CandyShop/gerrit,atdt/gerrit,jeblair/gerrit,bootstraponline-archive/gerrit-mirror,Team-OctOS/host_gerrit,ckamm/gerrit,Team-OctOS/host_gerrit,evanchueng/gerrit,Distrotech/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,jackminicloud/test,quyixia/gerrit,Seinlin/gerrit,WANdisco/gerrit,gracefullife/gerrit,1yvT0s/gerrit,ckamm/gerrit,keerath/gerrit_newssh,bpollack/gerrit,keerath/gerrit_newssh,quyixia/gerrit,gracefullife/gerrit,m1kah/gerrit-contributions,gerrit-review/gerrit,quyixia/gerrit,gerrit-review/gerrit,Seinlin/gerrit,bpollack/gerrit,atdt/gerrit,TonyChai24/test,supriyantomaftuh/gerrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,gracefullife/gerrit,Seinlin/gerrit,gerrit-review/gerrit,MerritCR/merrit,m1kah/gerrit-contributions,rtyley/mini-git-server,hdost/gerrit,WANdisco/gerrit,renchaorevee/gerrit,MerritCR/merrit,pkdevbox/gerrit,netroby/gerrit,evanchueng/gerrit,hdost/gerrit,m1kah/gerrit-contributions,jeblair/gerrit,thinkernel/gerrit,austinchic/Gerrit,teamblueridge/gerrit,makholm/gerrit-ceremony,zommarin/gerrit,Overruler/gerrit,jeblair/gerrit,netroby/gerrit,ashang/aaron-gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,bpollack/gerrit,Saulis/gerrit,teamblueridge/gerrit,thesamet/gerrit,TonyChai24/test,dwhipstock/gerrit,cjh1/gerrit,Team-OctOS/host_gerrit,TonyChai24/test,qtproject/qtqa-gerrit,bootstraponline-archive/gerrit-mirror,midnightradio/gerrit,MerritCR/merrit,catrope/gerrit,jeblair/gerrit,MerritCR/merrit,evanchueng/gerrit,Team-OctOS/host_gerrit,ckamm/gerrit,joshuawilson/merrit,ashang/aaron-gerrit,atdt/gerrit,sudosurootdev/gerrit,zommarin/gerrit,supriyantomaftuh/gerrit,TonyChai24/test,sudosurootdev/gerrit,ashang/aaron-gerrit,bootstraponline-archive/gerrit-mirror,1yvT0s/gerrit,renchaorevee/gerrit,joshuawilson/merrit,jackminicloud/test,duboisf/gerrit,hdost/gerrit,rtyley/mini-git-server,MerritCR/merrit,Seinlin/gerrit,bpollack/gerrit,makholm/gerrit-ceremony,Distrotech/gerrit,anminhsu/gerrit,gcoders/gerrit,netroby/gerrit,CandyShop/gerrit,joshuawilson/merrit,supriyantomaftuh/gerrit,WANdisco/gerrit,quyixia/gerrit,thesamet/gerrit,qtproject/qtqa-gerrit,1yvT0s/gerrit,evanchueng/gerrit,pkdevbox/gerrit,supriyantomaftuh/gerrit,dwhipstock/gerrit,bpollack/gerrit,midnightradio/gerrit,Seinlin/gerrit,Saulis/gerrit,Team-OctOS/host_gerrit,pkdevbox/gerrit,skurfuerst/gerrit,Distrotech/gerrit,pkdevbox/gerrit,thinkernel/gerrit,makholm/gerrit-ceremony,1yvT0s/gerrit,thesamet/gerrit,renchaorevee/gerrit,hdost/gerrit,CandyShop/gerrit,zommarin/gerrit,skurfuerst/gerrit,hdost/gerrit,zommarin/gerrit,basilgor/gerrit,midnightradio/gerrit,joshuawilson/merrit,anminhsu/gerrit,WANdisco/gerrit,TonyChai24/test,qtproject/qtqa-gerrit,duboisf/gerrit,thinkernel/gerrit,renchaorevee/gerrit,pkdevbox/gerrit,gcoders/gerrit,skurfuerst/gerrit,supriyantomaftuh/gerrit,jackminicloud/test,gracefullife/gerrit,makholm/gerrit-ceremony,dwhipstock/gerrit,supriyantomaftuh/gerrit,teamblueridge/gerrit,Distrotech/gerrit,jackminicloud/test,dwhipstock/gerrit,gerrit-review/gerrit,ckamm/gerrit,bootstraponline-archive/gerrit-mirror,thinkernel/gerrit,gcoders/gerrit,quyixia/gerrit,MerritCR/merrit,basilgor/gerrit,ashang/aaron-gerrit,supriyantomaftuh/gerrit,TonyChai24/test,cjh1/gerrit,anminhsu/gerrit