[TIMOB-14916] Android: Endless "Window is closed normally" appear in the logcat.

var _open = Window.prototype.open;
	Window.prototype.open = function(options) {
		// Retain the window until it has closed.
		var handle = new PersistentHandle(this);

		var self = this;
		this.on("close", function(e) {
			if (e._closeFromActivityForcedToDestroy) {
				if (kroll.DBG) {
					kroll.log(TAG, "Window is closed because the activity is forced to destroy by Android OS.");
				}
				return;
			}

			// Dispose the URL context if the window's activity is destroyed.
			if (self._urlContext) {
				Script.disposeContext(self._urlContext);
				self._urlContext = null;
			}
			handle.dispose();

			if (kroll.DBG) {
				kroll.log(TAG, "Window is closed normally.");
			}
		});

		_open.call(this, options);
	}