typo in the policy.json "rule_admin_api"
typo in the policy.json "rule_admin_api"

policy.json has "rule_admin_api" string instead of
the "rule:admin_api" which causes ValueError.

The typo recently introduced by
 4bb34182fe28c89686c8a23ddcfc8e9128d289b5.

Change-Id: I232adfca033e9365927cf2abd62d391337fae429
Closes-Bug: #1385225

blueboxgroup/nova,dims/nova,zaina/nova,rajalokan/nova,scripnichenko/nova,Stavitsky/nova,sebrandon1/nova,varunarya10/nova_test_latest,affo/nova,dims/nova,shail2810/nova,alaski/nova,rahulunair/nova,whitepages/nova,jeffrey4l/nova,joker946/nova,petrutlucian94/nova,joker946/nova,takeshineshiro/nova,watonyweng/nova,LoHChina/nova,affo/nova,JioCloud/nova,scripnichenko/nova,apporc/nova,alaski/nova,BeyondTheClouds/nova,Juniper/nova,cloudbase/nova,blueboxgroup/nova,barnsnake351/nova,mandeepdhami/nova,CloudServer/nova,NeCTAR-RC/nova,klmitch/nova,cyx1231st/nova,hanlind/nova,zhimin711/nova,watonyweng/nova,ted-gould/nova,jianghuaw/nova,zhimin711/nova,CEG-FYP-OpenStack/scheduler,thomasem/nova,cernops/nova,tudorvio/nova,noironetworks/nova,CloudServer/nova,Francis-Liu/animated-broccoli,varunarya10/nova_test_latest,zaina/nova,mahak/nova,rajalokan/nova,orbitfp7/nova,akash1808/nova,jianghuaw/nova,takeshineshiro/nova,devendermishrajio/nova,eonpatapon/nova,tangfeixiong/nova,gooddata/openstack-nova,Stavitsky/nova,jianghuaw/nova,edulramirez/nova,sebrandon1/nova,rahulunair/nova,JioCloud/nova_test_latest,JianyuWang/nova,double12gzh/nova,zzicewind/nova,tangfeixiong/nova,mikalstill/nova,akash1808/nova,cloudbase/nova,yatinkumbhare/openstack-nova,sebrandon1/nova,LoHChina/nova,raildo/nova,gooddata/openstack-nova,adelina-t/nova,ruslanloman/nova,bgxavier/nova,alexandrucoman/vbox-nova-driver,mandeepdhami/nova,Juniper/nova,yatinkumbhare/openstack-nova,mmnelemane/nova,apporc/nova,yosshy/nova,JianyuWang/nova,kimjaejoong/nova,eonpatapon/nova,cyx1231st/nova,vmturbo/nova,cloudbase/nova,gooddata/openstack-nova,ted-gould/nova,adelina-t/nova,edulramirez/nova,jeffrey4l/nova,rajalokan/nova,klmitch/nova,yosshy/nova,cloudbase/nova-virtualbox,Yusuke1987/openstack_template,belmiromoreira/nova,Juniper/nova,rajalokan/nova,alvarolopez/nova,devendermishrajio/nova_test_latest,belmiromoreira/nova,NeCTAR-RC/nova,vmturbo/nova,j-carpentier/nova,nikesh-mahalka/nova,nikesh-mahalka/nova,CCI-MOC/nova,JioCloud/nova,TwinkleChawla/nova,akash1808/nova_test_latest,j-carpentier/nova,vmturbo/nova,barnsnake351/nova,openstack/nova,cloudbase/nova-virtualbox,orbitfp7/nova,alvarolopez/nova,klmitch/nova,Metaswitch/calico-nova,tealover/nova,raildo/nova,isyippee/nova,devendermishrajio/nova_test_latest,BeyondTheClouds/nova,phenoxim/nova,Francis-Liu/animated-broccoli,vmturbo/nova,iuliat/nova,dawnpower/nova,CEG-FYP-OpenStack/scheduler,TwinkleChawla/nova,fnordahl/nova,mgagne/nova,badock/nova,tudorvio/nova,rahulunair/nova,noironetworks/nova,projectcalico/calico-nova,petrutlucian94/nova,mahak/nova,bigswitch/nova,mahak/nova,dawnpower/nova,isyippee/nova,badock/nova,projectcalico/calico-nova,shail2810/nova,jianghuaw/nova,MountainWei/nova,tealover/nova,silenceli/nova,hanlind/nova,silenceli/nova,bigswitch/nova,mikalstill/nova,klmitch/nova,Metaswitch/calico-nova,Juniper/nova,whitepages/nova,thomasem/nova,cernops/nova,Tehsmash/nova,felixma/nova,CCI-MOC/nova,Yusuke1987/openstack_template,ruslanloman/nova,cernops/nova,mmnelemane/nova,felixma/nova,BeyondTheClouds/nova,Tehsmash/nova,JioCloud/nova_test_latest,fnordahl/nova,devendermishrajio/nova,mgagne/nova,MountainWei/nova,zzicewind/nova,gooddata/openstack-nova,double12gzh/nova,kimjaejoong/nova,mikalstill/nova,bgxavier/nova,phenoxim/nova,openstack/nova,iuliat/nova,alexandrucoman/vbox-nova-driver,hanlind/nova,akash1808/nova_test_latest,openstack/nova