Example controller app for system ui demo mode.

Demo mode is protected behind a system setting.  To enable:
$ adb shell settings put global sysui_demo_allowed 1

Change-Id: I2248e27a253bf9eac176e8be9153a2b147cefa40
diff --git a/tests/SystemUIDemoModeController/Android.mk b/tests/SystemUIDemoModeController/Android.mk
new file mode 100644
index 0000000..64ea63c
--- /dev/null
+++ b/tests/SystemUIDemoModeController/Android.mk
@@ -0,0 +1,10 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := DemoModeController
+
+include $(BUILD_PACKAGE)