Migrate SmsMessageBodyTest to Android Testing Support Library

package com.android.internal.telephony;

import android.telephony.TelephonyManager;

import android.test.AndroidTestCase;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertTrue;

import androidx.test.filters.SmallTest;

import android.telephony.TelephonyManager;

import com.android.telephony.Rlog;

import org.junit.Test;

/**

 * Test cases to verify selection of the optimal 7 bit encoding tables

 * (for all combinations of enabled national language tables) for messages

 * Tests both encoding variations: unsupported characters mapped to space,

 * and unsupported characters force entire message to UCS-2.

 */

public class SmsMessageBodyTest extends AndroidTestCase {

public class SmsMessageBodyTest extends TelephonyTest {

    private static final String TAG = "SmsMessageBodyTest";

    // ASCII chars in the GSM 7 bit default alphabet

     */

    private static final int UDH_SEPTET_COST_CONCATENATED_MESSAGE = 6;

    @SmallTest

    @Test

    public void testCalcLengthAscii() throws Exception {

        StringBuilder sb = new StringBuilder(320);

        int[] values = {0, 0, 0, SmsConstants.ENCODING_7BIT, 0, 0};

        }

    }

    @SmallTest

    @Test

    public void testCalcLengthUnicode() throws Exception {

        StringBuilder sb = new StringBuilder(160);

        int[] values = {0, 0, 0, SmsConstants.ENCODING_16BIT, 0, 0};

        }

    }

    //@LargeTest

    //@Test

    /*public void testCalcLengthMixed7bit() throws Exception {

        StringBuilder sb = new StringBuilder(320);

        CounterHelper ch = new CounterHelper();