OmniLib: Introduce OmniRom SDK

 * omnilib-res app will be installed to system/frameworks for the futur internal ressources add-on
 * OmniLib java_library will be installed to system/frameworks for the futur internal java/aidl add-on
 * The OmniPreference android_library need to be moved outside system/frameworks  because of some nested dependency breakage

Change-Id: I2b9a7bc7f4aa72052ae6600933eb114d2a481b35

omnilib-res: Add allow-reserved-package-id

Thx to the LineageOS team

https://github.com/LineageOS/android_lineage-sdk/blob/lineage-20.0/Android.bp#L44-L49

Change-Id: I07ba56685981a8735bdef5ea75528ec82dd68318
diff --git a/omnipreference/Android.bp b/omnipreference/Android.bp
new file mode 100644
index 0000000..1a627a7
--- /dev/null
+++ b/omnipreference/Android.bp
@@ -0,0 +1,26 @@
+//
+// Copyright (C) 2023 The OmniROM 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.
+//
+
+android_library {
+    name: "OmniPreference",
+    defaults: [
+        "SettingsLibDefaults",
+        "SettingsLib-search-defaults",
+    ],
+
+    srcs: ["java/**/*.java"],
+    resource_dirs: ["res"],
+}