Add new USB details screen for Connected Devices 2.0

Also updated UsbBackend to use the new UsbFunctions
api.

Added new unit tests for UsbDetailsHeaderController
and UsbDetailsProfilesController.

Bug: 69333961
Test: make RunSettingsRoboTests
Change-Id: I133750190bb61dfe0e20b06f50e50ea13b347f1e

src/com/android/settings/connecteddevice/usb/UsbDetailsController.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2018 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.connecteddevice.usb;
+
+import android.content.Context;
+import android.support.annotation.UiThread;
+import android.support.v14.preference.PreferenceFragment;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+/**
+ * This class provides common members and refresh functionality for usb controllers.
+ */
+public abstract class UsbDetailsController extends AbstractPreferenceController
+        implements PreferenceControllerMixin {
+
+    protected final Context mContext;
+    protected final PreferenceFragment mFragment;
+    protected final UsbBackend mUsbBackend;
+
+    public UsbDetailsController(Context context, PreferenceFragment fragment, UsbBackend backend) {
+        super(context);
+        mContext = context;
+        mFragment = fragment;
+        mUsbBackend = backend;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    /**
+     * This method is called when the USB mode has changed and the controller needs to update.
+     * @param newMode the new mode, made up of OR'd values from UsbBackend
+     */
+    @UiThread
+    protected abstract void refresh(int newMode);
+}