Tests: Add schematic unittests

Improve schematic file-saving interface
Add ability to create temporary test files

build/android/jni/Android.mk

@@ -224,6 +224,7 @@ LOCAL_SRC_FILES :=                                \
 		jni/src/unittest/test_objdef.cpp          \
 		jni/src/unittest/test_profiler.cpp        \
 		jni/src/unittest/test_random.cpp          \
+		jni/src/unittest/test_schematic.cpp       \
 		jni/src/unittest/test_serialization.cpp   \
 		jni/src/unittest/test_settings.cpp        \
 		jni/src/unittest/test_socket.cpp          \