Android.mk: add correct build tags

Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/Android.mk b/Android.mk
index 4d7f6c4..e579172 100755
--- a/Android.mk
+++ b/Android.mk
@@ -273,6 +273,8 @@
 LOCAL_SHARED_LIBRARIES:= \
 	liblog
 
+LOCAL_MODULE_TAGS := tests
+
 LOCAL_MODULE:= libocr
 
 LOCAL_PRELINK_MODULE:= false
@@ -354,7 +356,7 @@
 LOCAL_SHARED_LIBRARIES:= \
 	libocr
 
-include $(BUILD_HOST_EXECUTABLE)
+include $(BUILD_EXECUTABLE)
 
 endif #BUILD_FOR_HOST
 
@@ -428,6 +430,8 @@
 LOCAL_CFLAGS:=$(local_CFLAGS)
 LOCAL_C_INCLUDES:=$(local_C_INCLUDES)
 
+LOCAL_MODULE_TAGS := tests
+
 LOCAL_MODULE:= libhelium
 
 LOCAL_SHARED_LIBRARIES:= \