HMI: Migrate to new script which supports NVME and dual-recorders.

modules/dreamview/conf/hmi.conf

@@ -314,11 +314,11 @@ modules {
     display_name: "Record Bag"
     supported_commands {
       key: "start"
-      value: "scripts/record_bag.sh start --portable-disk"
+      value: "scripts/record_bag.py --start"
     }
     supported_commands {
       key: "stop"
-      value: "scripts/record_bag.sh stop"
+      value: "scripts/record_bag.py --stop"
     }
   }
 }