Merge "Fix test flakiness"

        mOutputWriter = new BufferedWriter(new FileWriter(new File(

                Environment.getExternalStorageDirectory(), OUTPUT_FILE), true));

        mAct.turnScreenOn();

        if (mAct.mWifiManager.isWifiApEnabled()) {

            // if soft AP is enabled, disable it

            assertTrue(mAct.mWifiManager.setWifiApEnabled(null, false));

            Log.v(TAG, "disable soft ap");

        }

        if (!mAct.mWifiManager.isWifiEnabled()) {

            log("Enable wi-fi before stress tests.");

            if (!mAct.enableWifi()) {