Android: restore nav bar visibility when native keyboard gets dismissed.

modules/juce_gui_basics/native/juce_android_Windowing.cpp

@@ -606,6 +606,10 @@ public:
     void dismissPendingTextInput() override
     {
         view.callVoidMethod (ComponentPeerView.showKeyboard, javaString ("").get());
+
+        if (Component* kiosk = Desktop::getInstance().getKioskModeComponent())
+            if (kiosk->getPeer() == this)
+                setNavBarsHidden (navBarsHidden);
      }
 
     //==============================================================================