fixed android build

Transports.cpp

@@ -6,6 +6,7 @@
 #include "Transports.h"
 #include "Config.h"
 #include "Event.h"
+#include "util.h"
 
 using namespace i2p::data;
 

android/jni/Android.mk

@@ -58,6 +58,7 @@ LOCAL_SRC_FILES := DaemonAndroid.cpp i2pd_android.cpp \
     ../../TunnelGateway.cpp \
     ../../TunnelPool.cpp \
 	../../Timestamp.cpp \
+	../../Event.cpp \
     ../../util.cpp \
      ../../i2pd.cpp ../../UPnP.cpp