Add getTtsSpannedPhoneNumber() to ContactDisplayUtils

import com.google.common.base.Preconditions;

import android.content.Context;

import android.content.res.Resources;

import android.telephony.PhoneNumberUtils;

import android.text.Spannable;

import android.text.SpannableString;

        return spannable;

    }

    /**

     * Retrieves a string from a string template that takes 1 phone number as argument,

     * span the number with a telephone {@link TtsSpan}, and return the spanned string.

     *

     * @param resources to retrieve the string from

     * @param stringId ID of the string

     * @param number to pass in the template

     * @return CharSequence with the phone number wrapped in a TtsSpan

     */

    public static CharSequence getTtsSpannedPhoneNumber(Resources resources,

            int stringId, String number){

        String msg = resources.getString(stringId, number);

        return ContactDisplayUtils.getTelephoneTtsSpannable(msg, number);

    }

    /**

     * Returns either namePrimary or nameAlternative based on the value of displayOrderPreference

     *