Merge "gerrit tests should return to checked out branch"

tools/check_gerrit_projects_changed.sh

@@ -2,6 +2,7 @@
 
 
 GITHEAD=$(git rev-parse HEAD)
+GITBRANCH=$(git rev-parse --abbrev-ref HEAD)
 
 # Check out previous version
 git checkout HEAD~1
@@ -16,3 +17,4 @@ python tools/check_gerrit_projects_changed.py gerrit/projects-old.yaml \
     gerrit/projects.yaml
 
 rm gerrit/projects-old.yaml
+git checkout $GITBRANCH