The correct way to delete a rc should be:
1. Resize the rc to 0.
2. Delete all pods in the rc.
3. Delete the rc.
So, we should use 'kubectl stop rc id' to completely delete a rc.
This command will first resize a rc to 0 and then delete all pods,
before deleting the rc.
Change-Id: I3666606f15440942c192aa81635899fa135d036d
Closes-Bug: 1424304
318ad3cefe