nexus: Add TiwlanEventListener to makefile

Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/Android.mk b/nexus/Android.mk
index 6172e62..865f58a 100644
--- a/nexus/Android.mk
+++ b/nexus/Android.mk
@@ -33,7 +33,8 @@
                   SupplicantScanResultsEvent.cpp       \
                   SupplicantConnectionTimeoutEvent.cpp \
                   SupplicantDisconnectedEvent.cpp      \
-                  SupplicantStatus.cpp
+                  SupplicantStatus.cpp                 \
+                  TiwlanEventListener.cpp
 
 LOCAL_MODULE:= nexus