Create SpaPrivileged Lib

If a functionality cannot be put into Spa Lib because one of:
- Using private API
- Depends on SettingsLib

Then the functionality can be put into the SpaPrivileged Lib.

Add AppInfo widget as example.

Bug: 235727273
Test: Manual with Test App
Change-Id: I5e711e0a9067314819c7f4ba86764f25d0060239
diff --git a/packages/SettingsLib/SpaPrivileged/Android.bp b/packages/SettingsLib/SpaPrivileged/Android.bp
new file mode 100644
index 0000000..48f7ff2
--- /dev/null
+++ b/packages/SettingsLib/SpaPrivileged/Android.bp
@@ -0,0 +1,33 @@
+//
+// Copyright (C) 2022 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 {
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_library {
+    name: "SpaPrivilegedLib",
+
+    srcs: ["src/**/*.kt"],
+
+    static_libs: [
+        "SpaLib",
+        "SettingsLib",
+        "androidx.compose.runtime_runtime",
+    ],
+    kotlincflags: ["-Xjvm-default=all"],
+    min_sdk_version: "31",
+}