Fixing flakiness of widget tests

import android.os.Process;

import android.os.SystemClock;

import android.util.Log;

import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

     */

    public static UiObject2 openWidgetsTray() {

        final UiDevice device = getDevice();

        device.pressMenu(); // Enter overview mode.

        device.wait(Until.findObject(

                By.text(getTargetContext().getString(R.string.widget_button_text))),

                AbstractLauncherUiTest.DEFAULT_UI_TIMEOUT).click();

        device.pressKeyCode(KeyEvent.KEYCODE_W, KeyEvent.META_CTRL_ON);

        device.waitForIdle();

        return findViewById(R.id.widgets_list_view);

    }