Merge "Remove "Allow guest to use phone" from devices without telephony." into udc-qpr-dev

    <!-- Search keywords for the "Delete Guest Activity" section in Multiple Users Screen. [CHAR LIMIT=NONE] -->

    <string name="remove_guest_on_exit_keywords">delete, guest, activity, remove, data, visitor, erase</string>

    <!-- Title of preference to enable guest calling[CHAR LIMIT=40] -->

    <string name="enable_guest_calling">Allow guest to use phone</string>

    <string name="enable_guest_calling">Allow guest to make phone calls</string>

    <!-- Summary of preference to enable guest calling [CHAR LIMIT=NONE] -->

    <string name="enable_guest_calling_summary">Call history will be shared with guest user</string>

package com.android.settings.users;

import android.content.Context;

import android.content.pm.PackageManager;

import android.os.Bundle;

import android.os.UserManager;

    public void updateState(Preference preference) {

        super.updateState(preference);

        mUserCaps.updateAddUserCapabilities(mContext);

        preference.setVisible(isAvailable() && mUserCaps.mUserSwitcherEnabled);

        preference.setVisible(isAvailable() && mUserCaps.mUserSwitcherEnabled && mContext

                .getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY));

    }

}