Remove wrapper class for NotificationGroup.

It's no longer needed as Robolectric can natively support framework
classes

Bug: 76167422
Test: robotests
Change-Id: If0ac597370240b8efaa8df8783a5c309a2322a3f

src/com/android/settings/wrapper/NotificationChannelGroupWrapper.java

@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2017 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 com.android.settings.wrapper;
-
-import android.app.NotificationChannelGroup;
-
-/**
- * Wrapper for {@link NotificationChannelGroup} until roboletric supports O MR1.
- */
-public class NotificationChannelGroupWrapper {
-
-    private final NotificationChannelGroup mGroup;
-
-    public NotificationChannelGroupWrapper(NotificationChannelGroup group) {
-        mGroup = group;
-    }
-
-    /**
-     * Get the real group object so we can call APIs directly on it.
-     */
-    public NotificationChannelGroup getGroup() {
-        return mGroup;
-    }
-
-    public String getDescription() {
-        if (mGroup != null) {
-            return mGroup.getDescription();
-        }
-        return null;
-    }
-
-    public void setDescription(String desc) {
-        if (mGroup != null) {
-            mGroup.setDescription(desc);
-        }
-    }
-
-    public boolean isBlocked() {
-        if (mGroup != null) {
-            return mGroup.isBlocked();
-        }
-        return true;
-    }
-
-    public void setBlocked(boolean blocked) {
-        if (mGroup != null) {
-            mGroup.setBlocked(blocked);
-        }
-    }
-}