Set up build files for theme picker

Bug: 118758604
Change-Id: I18f38d5eea0d30edcc865cf3dfe9c46f5bd89a8c
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..05712d4
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,50 @@
+#
+# Copyright (C) 2018 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.
+#
+
+
+LOCAL_PATH := $(call my-dir)
+WALLPAPER_PATH := ../WallpaperPicker2
+
+#
+# Build rule for ThemePicker app.
+#
+include $(CLEAR_VARS)
+LOCAL_USE_AAPT2 := true
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_STATIC_ANDROID_LIBRARIES := WallpaperPicker2CommonDepsLib
+
+LOCAL_PROGUARD_ENABLED := disabled
+
+LOCAL_SDK_VERSION := system_current
+
+LOCAL_PACKAGE_NAME := ThemePicker
+LOCAL_PRIVILEGED_MODULE := true
+LOCAL_OVERRIDES_PACKAGES := WallpaperPicker2
+
+LOCAL_SRC_FILES := $(call all-java-files-under, $(WALLPAPER_PATH)/src) \
+    $(call all-java-files-under, src) \
+    $(call all-java-files-under, src_override)
+
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res 
+
+LOCAL_MANIFEST_FILE := AndroidManifest.xml
+
+include $(BUILD_PACKAGE)
+
+
+# ==================================================
+include $(call all-makefiles-under,$(LOCAL_PATH))
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