Unable to pair and connect A2DP headset with DUT on KWD

this is due to some field type is not defined correctly.
We don't have this problem with old compile option.
recently some compile option change expose this bug.

bug:14489818
Change-Id: Ief48ec7d1312eb588fc344ea0afb153226bf0541
diff --git a/stack/btm/btm_int.h b/stack/btm/btm_int.h
index 86ffa5a..9504766 100644
--- a/stack/btm/btm_int.h
+++ b/stack/btm/btm_int.h
@@ -222,7 +222,7 @@
 
     UINT8                state;
     tBTM_IO_CAP          loc_io_caps;       /* IO capability of the local device */
-    BOOLEAN              loc_auth_req;      /* the auth_req flag  */
+    tBTM_AUTH_REQ        loc_auth_req;      /* the auth_req flag  */
     BD_FEATURES          brcm_features;     /* Broadcom specific features bit mask  */
 #define BTM_RELOAD_LE_HOST_FEATURE      0x10