SearchTarget/SearchTargetEvent API

Bug: 165869384
Bug: 161599758

TL;DR;;
Also introduce some additional methods for
- all apps start and stop
- metrics logging

Change-Id: I666ff5a27a5f8befdb0db483ebb07344a90e96bc

src_plugins/com/android/systemui/plugins/shared/SearchTargetEvent.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2020 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.shared;
+
+import android.content.pm.ShortcutInfo;
+import android.os.Bundle;
+
+/**
+ * Event used for the feedback loop to the plugin. (and future aiai)
+ */
+public class SearchTargetEvent {
+    public SearchTarget.ItemType type;
+    public ShortcutInfo shortcut;
+    public Bundle bundle;
+    public float score;
+
+    public SearchTargetEvent(SearchTarget.ItemType itemType,
+            ShortcutInfo shortcut,
+            Bundle bundle,
+            float score) {
+        this.type = itemType;
+        this.shortcut = shortcut;
+        this.bundle = bundle;
+        this.score = score;
+    }
+}