feat: apply autoware prefix for state monitor (autowarefoundation#1311)

Signed-off-by: Takagi, Isamu <[email protected]>
Co-authored-by: Ryohsuke Mitsudome <[email protected]>

autoware_launch/launch/components/tier4_system_component.launch.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <launch>
-  <arg name="diagnostic_graph_aggregator_param_path" default="$(find-pkg-share diagnostic_graph_aggregator)/config/default.param.yaml"/>
+  <arg name="diagnostic_graph_aggregator_param_path" default="$(find-pkg-share autoware_diagnostic_graph_aggregator)/config/default.param.yaml"/>
   <arg name="diagnostic_graph_aggregator_graph_path" default="$(find-pkg-share autoware_launch)/config/system/diagnostics/autoware-main.yaml"/>
 
   <include file="$(find-pkg-share tier4_system_launch)/launch/system.launch.xml">