Move example extensions to test folder.

Fixes: 34969978
Test: hal registers itself and works.

Change-Id: I9e4795b1acbabceed017c469b89baea7e529308a
diff --git a/tests/extension/light/2.0/default/Android.mk b/tests/extension/light/2.0/default/Android.mk
new file mode 100644
index 0000000..4dee3ee
--- /dev/null
+++ b/tests/extension/light/2.0/default/Android.mk
@@ -0,0 +1,20 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.tests.extension.light@2.0-service
+LOCAL_INIT_RC := android.hardware.tests.extension.light@2.0-service.rc
+LOCAL_PROPRIETARY_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := \
+    Light.cpp \
+    service.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libhidlbase \
+    libhidltransport \
+    libhwbinder \
+    libutils \
+    android.hardware.light@2.0 \
+    android.hardware.tests.extension.light@2.0 \
+
+include $(BUILD_EXECUTABLE)