libsysutil: turn off -Werror

temporary to work out issue with git_mirror-asop-master build

Change-Id: Ie65c65abb0a70dc134fded15db8b9d98e1701edd
diff --git a/libsysutils/Android.mk b/libsysutils/Android.mk
index 246f954..1451b0d 100644
--- a/libsysutils/Android.mk
+++ b/libsysutils/Android.mk
@@ -18,7 +18,7 @@
 
 LOCAL_C_INCLUDES :=
 
-LOCAL_CFLAGS := -Werror
+LOCAL_CFLAGS :=
 
 LOCAL_SHARED_LIBRARIES := libcutils liblog