support multiple listeners based on pid

src/main/cpp/mosis-service.cpp

@@ -44,7 +44,7 @@ public:
         }
         else
         {
-            m_kernel->set_listener(listener);
+            m_kernel->add_listener(listener);
             *_aidl_return = true;
         }
         return ndk::ScopedAStatus::ok();