Cache directory photo in app storage through CachedNumberLookupService

package com.android.dialer.service;

import android.content.Context;

import android.net.Uri;

import android.support.annotation.Nullable;

import com.android.dialer.calllog.ContactInfo;

import java.io.InputStream;

public interface CachedNumberLookupService {

    public interface CachedContactInfo {

    public boolean isBusiness(int sourceType);

    public boolean canReportAsInvalid(int sourceType, String objectId);

    public boolean addPhoto(Context context, String number, byte[] photo);

    /**

     * @return return {@link Uri} to the photo or return {@code null} when failing to add photo

     */

    public @Nullable Uri addPhoto(Context context, String number, InputStream in);

    /**

     * Remove all cached phone number entries from the cache, regardless of how old they