Be more intention-revealing with libcutils' strlcpy.

Several people have been independently confused about when this gets
built and why over the past couple of days.

Change-Id: I2d4a02f66e24c0734327585b7d27e50a344b1e94
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index 62c6113..d4450c6 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -22,7 +22,7 @@
 	native_handle.c \
 	config_utils.c \
 	load_file.c \
-	memory.c \
+	strlcpy.c \
 	open_memstream.c \
 	strdup16to8.c \
 	strdup8to16.c \