[AA+ Search] Create the plugin interface for search suggest.

Also removed the internet permission for Launcher3 and moved it to the plugin.

Bug: 196586652
Test: tested with plugin

Change-Id: Id36e037d7520e29c1989adf9c451488d7e9c96e1

src_plugins/com/android/systemui/plugins/OneSearch.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 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.systemui.plugins;
+
+import android.graphics.Bitmap;
+import android.text.Spanned;
+
+import com.android.systemui.plugins.annotations.ProvidesInterface;
+
+import java.util.ArrayList;
+
+/**
+ * Implement this interface to get suggest for one search.
+ */
+@ProvidesInterface(action = OneSearch.ACTION, version = OneSearch.VERSION)
+public interface OneSearch extends Plugin {
+    String ACTION = "com.android.systemui.action.PLUGIN_ONE_SEARCH";
+    int VERSION = 1;
+
+    /**
+     * Get the content provider warmed up.
+     */
+    void warmUp();
+
+    /**
+     * Get the suggests for the query.
+     * @param query The query to get the search suggests for.
+     */
+    ArrayList<Spanned> getSuggests(String query);
+
+    /**
+     * Get the image bitmap for the suggest.
+     * @param suggest The suggest to get the image bitmap for.
+     */
+    Bitmap getImageBitmap(Spanned suggest);
+
+    /**
+     * Get the subtitle for the suggest.
+     * @param suggest The suggest to get the subtitle for.
+     */
+    String getSubtitle(Spanned suggest);
+}