build: Fix LOG_TAG define breakage, macro usage

Fixes build breakages related to r.android.com/156982

Change-Id: Ib1143c41fe05a17c296226998afdb41a8cb6294a
diff --git a/main/stack_config.c b/main/stack_config.c
index 979a1ec..53dda72 100644
--- a/main/stack_config.c
+++ b/main/stack_config.c
@@ -16,6 +16,8 @@
  *
  ******************************************************************************/
 
+#define LOG_TAG "bt_stack_config"
+
 #include "stack_config.h"
 
 #include <assert.h>
@@ -23,8 +25,6 @@
 #include "osi/include/future.h"
 #include "osi/include/log.h"
 
-#define LOG_TAG "bt_stack_config"
-
 const char *BTSNOOP_LOG_PATH_KEY = "BtSnoopFileName";
 const char *BTSNOOP_TURNED_ON_KEY = "BtSnoopLogOutput";
 const char *BTSNOOP_SHOULD_SAVE_LAST_KEY = "BtSnoopSaveLog";