[Expressive design] Add expandable preference

Bug: 367539940
Test: manual
Flag: EXEMPT resource only update

Change-Id: I94c9f277294477c05c0f430a0302b1f4690bf7b0
diff --git a/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml b/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml
new file mode 100644
index 0000000..7bfa19b
--- /dev/null
+++ b/packages/SettingsLib/ExpandablePreference/AndroidManifest.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  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.
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.settingslib.widget.preference.expandable">
+
+    <uses-sdk android:minSdkVersion="21" />
+
+</manifest>