[buffer] Move buffer serialization code to a new file
diff --git a/Android.mk b/Android.mk
index d8705ec..3ada5f2 100644
--- a/Android.mk
+++ b/Android.mk
@@ -28,6 +28,7 @@
 
 LOCAL_SRC_FILES:= \
 	src/hb-blob.cc \
+	src/hb-buffer-serialize.cc \
 	src/hb-buffer.cc \
 	src/hb-common.cc \
 	src/hb-fallback-shape.cc \