Migrate liveness check to new format

Change-Id: Ifd99ed48bcb70781fe23d7a20962965eb34c36c2
Depends-On: I920029d4cb14981427e7f978778506fb0b69c435

service/cinder-api.yaml

@@ -7,7 +7,9 @@ service:
       image: cinder-api
       probes:
         readiness: "true"
-        liveness: "true"
+        liveness:
+          command: "true"
+          type: "exec"
       pre:
         - name: cinder-db-create
           dependencies:

service/cinder-scheduler.yaml

@@ -5,7 +5,9 @@ service:
       image: cinder-scheduler
       probes:
         readiness: "true"
-        liveness: "true"
+        liveness:
+          command: "true"
+          type: "exec"
       daemon:
         command: cinder-scheduler --config-file /etc/cinder/cinder.conf
         files:

service/cinder-volume.yaml

@@ -6,7 +6,9 @@ service:
       privileged: true
       probes:
         readiness: "true"
-        liveness: "true"
+        liveness:
+          command: "true"
+          type: "exec"
       daemon:
         command: cinder-volume --config-file /etc/cinder/cinder.conf
         files: