refact: change dbus api and service impl

1. change IconName and DisplayName to method
2. refactor impl of GetManagedObject and move it to global.h
3. refactor impl of JobService::status
4. add ut_job.cpp

Signed-off-by: ComixHe <heyuming@deepin.org>

api/dbus/org.desktopspec.ApplicationManager1.Application.xml

@@ -17,10 +17,6 @@
 
         <property name="AutoStart" type="b" access="readwrite"/>
 
-        <property name="IconName" type="s" access="read"/>
-
-        <property name="DisplayName" type="s" access="read"/>
-
         <property name="Instances" type="ao" access="read">
             <annotation
                 name="org.freedesktop.DBus.Description"
@@ -102,5 +98,23 @@
                        this method will use the locale config of that user."
             />
         </method>
+
+        <method name="GetIconName">
+            <arg name="action" type="s" direction="in"/>
+            <arg name="name" type="s" direction="out"/>
+            <annotation
+                name="org.freedesktop.DBus.Description"
+                value="The meaning of arg `env` is same as which in GetActionName."
+            />
+        </method> 
+
+        <method name="GetDisplayName">
+            <arg name="env" type="as" direction="in"/>
+            <arg name="name" type="s" direction="out"/>
+            <annotation
+                name="org.freedesktop.DBus.Description"
+                value="The meaning of arg `env` is same as which in GetActionName."
+            />
+        </method>
     </interface>
 </node>