Removed Common

Change-Id: I01ea8f07220375c2ad9bc0092281d4f27c642303
diff --git a/aos/logging/sizes.h b/aos/logging/sizes.h
new file mode 100644
index 0000000..b624a61
--- /dev/null
+++ b/aos/logging/sizes.h
@@ -0,0 +1,9 @@
+#ifndef AOS_LOGGING_SIZES_H_
+#define AOS_LOGGING_SIZES_H_
+
+// This file exists so C code and context.h can both get at these constants...
+
+#define LOG_MESSAGE_LEN 500
+#define LOG_MESSAGE_NAME_LEN 100
+
+#endif  // AOS_LOGGING_SIZES_H_