Make sure we're passing CHROMEOS_REVISION through to customized rootfs. Review URL: http://chromereview.prom.corp.google.com/1187047
Make sure we're passing CHROMEOS_REVISION through to customized rootfs.
Review URL: http://chromereview.prom.corp.google.com/1187047

git-svn-id: 59a3318ba88c04536d83f47c63c52b7f675c4a1a@241 06c00378-0e64-4dae-be16-12b19f9950a1

sigma/coreos-scripts,glevand/coreos--scripts,fivethreeo/scripts,smilart/scripts,coreos/scripts,mischief/scripts,marineam/coreos-scripts,nicescale/scripts,vmware/coreos-scripts,fivethreeo/scripts,andrejro/coreos--scripts,zhang0137/scripts,glevand/coreos--scripts,zhang0137/scripts,endocode/scripts,smilart/scripts,andrejro/coreos--scripts,andrejro/coreos--scripts,nicescale/scripts,mischief/scripts,zhang0137/scripts,crawford/scripts,smilart/scripts,sigma/coreos-scripts,endocode/scripts,bcwaldon/coreos-scripts,gtank/scripts,mjg59/scripts,bcwaldon/coreos-scripts,marineam/coreos-scripts,crawford/scripts,BugRoger/scripts,mjg59/scripts,sigma/coreos-scripts,trnubo/scripts,coreos/scripts,BugRoger/scripts,mischief/scripts,fivethreeo/scripts,nicescale/scripts,marineam/coreos-scripts,gtank/scripts,trnubo/scripts,vmware/coreos-scripts,endocode/scripts,bcwaldon/coreos-scripts,trnubo/scripts,mjg59/scripts,BugRoger/scripts,vmware/coreos-scripts,gtank/scripts,crawford/scripts