android 5.0 编辑彩信时日历和联系人附件不能与其他附件共存

请修改packages/apps/mms/src/com/android/mms/MmsConfig.java
    public static boolean isSupportAttachEnhance() {
        return mMmsFeatureManagerPlugin != null && mMmsFeatureManagerPlugin.isFeatureEnabled(IMmsFeatureManagerExt.MMS_ATTACH_ENHANCE);
    }
修改为：
    public static boolean isSupportAttachEnhance() {
        return true;
    }