[Remoting Android] JniGlDisplayHandler calls invalidate() on UI thread

remoting/client/jni/jni_client.cc

Index: remoting/client/jni/jni_client.cc
diff --git a/remoting/client/jni/jni_client.cc b/remoting/client/jni/jni_client.cc
index 2e16fca968655504946e9e5e7bd86e951fdd6205..22d84f0d4a1e499c7485c832e0569b2dc22d52e2 100644
--- a/remoting/client/jni/jni_client.cc
+++ b/remoting/client/jni/jni_client.cc
@@ -10,7 +10,6 @@
 #include "jni/Client_jni.h"
 #include "remoting/client/jni/chromoting_jni_instance.h"
 #include "remoting/client/jni/chromoting_jni_runtime.h"
-#include "remoting/client/jni/display_updater_factory.h"
 #include "remoting/client/jni/jni_gl_display_handler.h"
 #include "remoting/client/jni/jni_pairing_secret_fetcher.h"
 #include "remoting/client/jni/jni_touch_event_data.h"
@@ -74,10 +73,7 @@ void JniClient::DisconnectFromHost() {
     runtime_->network_task_runner()->DeleteSoon(FROM_HERE,
                                                 secret_fetcher_.release());
   }
-  if (display_handler_) {
-    runtime_->display_task_runner()->DeleteSoon(FROM_HERE,
-                                                display_handler_.release());
-  }
+  display_handler_.reset();
 }
 
 void JniClient::OnConnectionState(protocol::ConnectionToHost::State state,