Add startProxy method in MainFragment

app/src/main/java/org/torproject/snowflake/fragments/MainFragment.java

@@ -79,8 +79,7 @@ public class MainFragment extends Fragment {
                 setSnowflakeStatus(false);
                 callback.serviceToggle(ForegroundServiceConstants.ACTION_STOP);
             } else {
-                setSnowflakeStatus(true);
-                callback.serviceToggle(ForegroundServiceConstants.ACTION_START);
+                startProxy();
             }
         });
         showServed(callback.getServed());
@@ -105,6 +104,14 @@ public class MainFragment extends Fragment {
         }
     }
 
+    /**
+     * Starts the proxy.
+     */
+    public void startProxy() {
+        setSnowflakeStatus(true);
+        callback.serviceToggle(ForegroundServiceConstants.ACTION_START);
+    }
+
     /**
      * Used to update the UI elements with corresponding status of the Snowflake.
      *