Move android.telecom.Response to internal impl

Resolve the hidden reference to Response in Call and
RespondViaSmsManager by moving the implementation into Telecom.

Bug: 308489282
Bug: 311773409
Test: m
Change-Id: I77d91112385ded12b92f66fde6e4d124dce99789

telecomm/java/android/telecom/Response.java

-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.telecom;
-
-/**
- * @hide
- */
-public interface Response<IN, OUT> {
-
-    /**
-     * Provide a set of results.
-     *
-     * @param request The original request.
-     * @param result The results.
-     */
-    void onResult(IN request, OUT... result);
-
-    /**
-     * Indicates the inability to provide results.
-     *
-     * @param request The original request.
-     * @param code An integer code indicating the reason for failure.
-     * @param msg A message explaining the reason for failure.
-     */
-    void onError(IN request, int code, String msg);
-}