Bug 1010173 - test root internal variable on devices (SUTAgentAndroid.sTestRoot) should not be set as an error message,r=bc

build/mobile/sutagent/android/DoCommand.java

@@ -1464,9 +1464,6 @@ private void CancelNotification()
                 Log.e("SUTAgentAndroid", "Cannot access world writeable test root");
             }
         }
-        if (!success) {
-            SUTAgentAndroid.sTestRoot = sErrorPrefix + " unable to determine test root";
-        }
         }
 
     public String GetTestRoot()