Move shared test code into separate directory

Bug: b/289394860
Test: atest ThemePicker
Test: run ThemePicker tests in Studio
Change-Id: Ie53d037f6db727040ed7342966b1f736e9155f40
diff --git a/tests/common/Android.bp b/tests/common/Android.bp
new file mode 100644
index 0000000..2904fad
--- /dev/null
+++ b/tests/common/Android.bp
@@ -0,0 +1,39 @@
+// 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.
+//
+
+//
+// Build rule for WallpaperPicker2 tests
+//
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+android_library {
+    name: "ThemePickerTestLib",
+
+    defaults: ["ThemePicker_defaults"],
+    srcs: [
+        "src/com/android/customization/testing/**/*.java",
+        "src/com/android/customization/testing/**/*.kt",
+    ],
+    static_libs: [
+        "WallpaperPicker2TestLib",
+        "androidx.annotation_annotation",
+        "kotlinx_coroutines_test",
+        "truth-prebuilt",
+    ],
+
+    platform_apis: true,
+}
diff --git a/tests/common/AndroidManifest.xml b/tests/common/AndroidManifest.xml
new file mode 100644
index 0000000..81a2f03
--- /dev/null
+++ b/tests/common/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.wallpaper">
+
+  <application>
+  </application>
+</manifest>
diff --git a/tests/src/com/android/customization/testing/TestDefaultCustomizationPreferences.java b/tests/common/src/com/android/customization/testing/TestDefaultCustomizationPreferences.java
similarity index 100%
rename from tests/src/com/android/customization/testing/TestDefaultCustomizationPreferences.java
rename to tests/common/src/com/android/customization/testing/TestDefaultCustomizationPreferences.java
diff --git a/tests/src/com/android/customization/testing/TestDrawableLayerResolver.java b/tests/common/src/com/android/customization/testing/TestDrawableLayerResolver.java
similarity index 100%
rename from tests/src/com/android/customization/testing/TestDrawableLayerResolver.java
rename to tests/common/src/com/android/customization/testing/TestDrawableLayerResolver.java
diff --git a/tests/src/com/android/customization/testing/TestPackageStatusNotifier.java b/tests/common/src/com/android/customization/testing/TestPackageStatusNotifier.java
similarity index 100%
rename from tests/src/com/android/customization/testing/TestPackageStatusNotifier.java
rename to tests/common/src/com/android/customization/testing/TestPackageStatusNotifier.java
diff --git a/tests/src/com/android/customization/testing/TestPluginManager.kt b/tests/common/src/com/android/customization/testing/TestPluginManager.kt
similarity index 100%
rename from tests/src/com/android/customization/testing/TestPluginManager.kt
rename to tests/common/src/com/android/customization/testing/TestPluginManager.kt
diff --git a/tests/src/com/android/customization/testing/TestThemeManager.java b/tests/common/src/com/android/customization/testing/TestThemeManager.java
similarity index 100%
rename from tests/src/com/android/customization/testing/TestThemeManager.java
rename to tests/common/src/com/android/customization/testing/TestThemeManager.java
diff --git a/tests/src/com/android/customization/testing/TestThemesUserEventLogger.java b/tests/common/src/com/android/customization/testing/TestThemesUserEventLogger.java
similarity index 100%
rename from tests/src/com/android/customization/testing/TestThemesUserEventLogger.java
rename to tests/common/src/com/android/customization/testing/TestThemesUserEventLogger.java