FM : Add common interface define

Add FM_STATS_PROP to common interface define.

CRs-fixed: 2595158
Change-Id: I4c4d40b98741521caf46f51e49b1f01a3e52f990
diff --git a/include/btcommon_interface_defs.h b/include/btcommon_interface_defs.h
index 1fe75f8..6180aea 100644
--- a/include/btcommon_interface_defs.h
+++ b/include/btcommon_interface_defs.h
@@ -69,6 +69,7 @@
   FM_PROP_HW_MODE,
   FM_PROP_CTL_START,
   FM_PROP_CTL_STOP,
+  FM_STATS_PROP,
 };
 
 #endif