Merge "Change null behavior of getCellBandwidths" into pi-dev

package android.telephony;

import android.annotation.IntDef;

import android.annotation.Nullable;

import android.annotation.SystemApi;

import android.annotation.TestApi;

import android.os.Bundle;

     *

     * @return Current serving cell bandwidths

     */

    @Nullable

    public int[] getCellBandwidths() {

        return mCellBandwidths;

        return mCellBandwidths == null ? new int[0] : mCellBandwidths;

    }

    /**