Merge "Ensure l3 agent receives notification about added router"

diff --cc neutron/api/rpc/agentnotifiers/l3_rpc_agent_api.py
Simple merge

diff --cc neutron/db/l3_agentschedulers_db.py
Simple merge

diff --cc neutron/db/l3_dvrscheduler_db.py
Simple merge

diff --cc neutron/tests/unit/db/test_agentschedulers_db.py
Simple merge

diff --cc neutron/tests/unit/scheduler/test_l3_agent_scheduler.py
Simple merge