Convert a11y shortcut edit screen to a full screen.

Bug: 300302098

Flag: adb shell device_config put accessibility com.android.settings.accessibility.edit_shortcuts_in_full_screen true

Test: manual
Test: atest com.android.settings.accessibility.shortcuts

Change-Id: I0b5e367fed962ff01036122ce7ff32a8ae47fbc3

src/com/android/settings/accessibility/ExpandablePreference.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023 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.accessibility;
+
+/**
+ * An interface denoting a preference is expandable
+ */
+public interface ExpandablePreference {
+
+    /**
+     * Set the expandable state of the preference
+     */
+    void setExpanded(boolean expanded);
+
+    /**
+     * Returns if the preference is currently expanded.
+     */
+    boolean isExpanded();
+}