Integrate system language filtering functionality

Filter system languages based on the configuration provided via
the corresponding system property.

Bug: 154133013
Test: manual; atest LocalizationTest
Change-Id: I7e4694f4b381ab81d0e8ceab97bad68bb266aaee
diff --git a/tests/LocalizationTest/Android.bp b/tests/LocalizationTest/Android.bp
new file mode 100644
index 0000000..c4bfcb1
--- /dev/null
+++ b/tests/LocalizationTest/Android.bp
@@ -0,0 +1,41 @@
+// 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.
+
+android_test {
+    name: "LocalizationTest",
+    srcs: ["java/**/*.kt"],
+    libs: [
+        "android.test.runner",
+        "android.test.base",
+        "android.test.mock",
+    ],
+    static_libs: [
+        "androidx.test.core",
+        "androidx.test.ext.junit",
+        "androidx.test.rules",
+        "mockito-target-extended-minus-junit4",
+        "truth-prebuilt",
+    ],
+    jni_libs: [
+        // For mockito extended
+        "libdexmakerjvmtiagent",
+        "libstaticjvmtiagent",
+    ],
+    certificate: "platform",
+    platform_apis: true,
+    test_suites: ["device-tests"],
+    optimize: {
+        enabled: false,
+    },
+}