Remove dependency on jni.h from WordProperty.

Bug: 18725954
Change-Id: Ic97d3a56b036ff042322c9f794504064046fd7d7
diff --git a/native/jni/NativeFileList.mk b/native/jni/NativeFileList.mk
index 55bb683..0be7153 100644
--- a/native/jni/NativeFileList.mk
+++ b/native/jni/NativeFileList.mk
@@ -30,8 +30,7 @@
         dictionary_utils.cpp \
         digraph_utils.cpp \
         error_type_utils.cpp \
-        multi_bigram_map.cpp \
-        property/word_property.cpp) \
+        multi_bigram_map.cpp) \
     $(addprefix suggest/core/layout/, \
         additional_proximity_chars.cpp \
         proximity_info.cpp \