Create folder for SystemUpdate sample app.

Test: no functional changes.

Change-Id: I2e8c654086ca49063c59ae0529e190323c84d6ad
diff --git a/sample_updater/Android.mk b/sample_updater/Android.mk
new file mode 100644
index 0000000..d6764bd
--- /dev/null
+++ b/sample_updater/Android.mk
@@ -0,0 +1,25 @@
+#
+# 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)
+
+include $(CLEAR_VARS)
+
+LOCAL_PACKAGE_NAME := SystemUpdateApp
+LOCAL_SDK_VERSION := system_current
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_PACKAGE)