Merge "Restore GATT unit test"

package com.android.bluetooth.gatt;

import android.test.AndroidTestCase;

import android.test.suitebuilder.annotation.SmallTest;

import com.android.bluetooth.gatt.GattService;

/**

 * Test cases for {@link GattService}.

 */

public class GattServiceTest extends AndroidTestCase {

    @SmallTest

    public void testParseBatchTimestamp() {

        GattService service = new GattService();

        long timestampNanos = service.parseTimestampNanos(new byte[] {

                -54, 7 });

        assertEquals(99700000000L, timestampNanos);

    }

}