message: qt: Handle Android back key in the Node window
diff: #include <netbase.h>
  #include <qt/bantablemodel.h>
  #include <qt/clientmodel.h>
  +#include <qt/guiutil.h>
  #include <qt/peertablesortproxy.h>
  #include <qt/platformstyle.h>
  #include <qt/walletmodel.h>
  @@ -910,8 +911,7 @@ void RPCConsole::clear(bool keep_prompt)
  void RPCConsole::keyPressEvent(QKeyEvent *event)
  {
  - if(windowType() != Qt::Widget && event->key() == Qt::Key_Escape)
  - {
  + if (windowType() != Qt::Widget && GUIUtil::IsEscapeOrBack(event->key())) {
  close();
  }
  }
  