Bluetooth: Enable macro to skip conn update at conn complete

The patch enables the macro in order to skip the connection
param update at the conn complete event since it interferes
with the link encryption

Change-Id: Id41ed9d9b44bb5f1292b41ac9ec9507e97d51eba
CRs-Fixed: 585765

bdroid_buildcfg.h

@@ -25,4 +25,6 @@
 // Enables Interleave scan
 #define BTA_HOST_INTERLEAVE_SEARCH  TRUE
 #define MAX_L2CAP_CHANNELS    14
+// skips conn update at conn completion
+#define BTA_BLE_SKIP_CONN_UPD  TRUE
 #endif