Migrate from Plugin SearchTarget to API search Target [2/3]

- Adds support for android.app.search.SearchTarget in plugin while maintaining plugin SearchTarget support
- Introduces SEARCH_TARGET_LEGACY temporary to switch between plugin and sdk variants.
- Maps resultType and layoutType pairs to the appropriate view

Bug: 177223401
Test: Manual
Change-Id: If8d4bb7c21c47a12447dcb0c56eed8781bd21e54

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

@@ -0,0 +1,95 @@
+/*
+ * 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.os.Bundle;
+
+/**
+ * Event used for the feedback loop to the plugin. (and future aiai)
+ *
+ * @deprecated Use SearchTargetEvent
+ */
+@Deprecated
+public class SearchTargetEventLegacy {
+    public static final int POSITION_NONE = -1;
+
+    public static final int SELECT = 0;
+    public static final int QUICK_SELECT = 1;
+    public static final int LONG_PRESS = 2;
+    public static final int CHILD_SELECT = 3;
+
+    private final SearchTargetLegacy mSearchTarget;
+    private final int mEventType;
+    private final int mShortcutPosition;
+    private final Bundle mExtras;
+
+    public SearchTargetEventLegacy(SearchTargetLegacy searchTarget, int eventType,
+            int shortcutPosition,
+            Bundle extras) {
+        mSearchTarget = searchTarget;
+        mEventType = eventType;
+        mShortcutPosition = shortcutPosition;
+        mExtras = extras;
+    }
+
+
+    public SearchTargetLegacy getSearchTarget() {
+        return mSearchTarget;
+    }
+
+    public int getShortcutPosition() {
+        return mShortcutPosition;
+    }
+
+    public int getEventType() {
+        return mEventType;
+    }
+
+    public Bundle getExtras() {
+        return mExtras;
+    }
+
+    /**
+     * A builder for {@link SearchTargetLegacy}
+     */
+    public static final class Builder {
+        private final SearchTargetLegacy mSearchTarget;
+        private final int mEventType;
+        private int mShortcutPosition = POSITION_NONE;
+        private Bundle mExtras;
+
+        public Builder(SearchTargetLegacy searchTarget, int eventType) {
+            mSearchTarget = searchTarget;
+            mEventType = eventType;
+        }
+
+        public Builder setShortcutPosition(int shortcutPosition) {
+            mShortcutPosition = shortcutPosition;
+            return this;
+        }
+
+        public Builder setExtras(Bundle extras) {
+            mExtras = extras;
+            return this;
+        }
+
+        public SearchTargetEventLegacy build() {
+            return new SearchTargetEventLegacy(mSearchTarget, mEventType, mShortcutPosition,
+                    mExtras);
+        }
+    }
+
+}