Fix some errors in the Android compilation of standalone Dart.

runtime/bin/eventhandler_android.cc

Index: runtime/bin/eventhandler_android.cc
diff --git a/runtime/bin/eventhandler_android.cc b/runtime/bin/eventhandler_android.cc
index 9f7a8eed2e0edb1ab1b36af16cb6bae4f154efe6..c043c2dbc824fe90ba255c78818eaa40b91a6a21 100644
--- a/runtime/bin/eventhandler_android.cc
+++ b/runtime/bin/eventhandler_android.cc
@@ -396,9 +396,9 @@ void EventHandlerImplementation::Poll(uword args) {
 }
 
 
-void EventHandlerImplementation::Start() {
+void EventHandlerImplementation::Start(EventHandler* handler) {
   int result = dart::Thread::Start(&EventHandlerImplementation::Poll,
-                                   reinterpret_cast<uword>(this));
+                                   reinterpret_cast<uword>(handler));
   if (result != 0) {
     FATAL1("Failed to start event handler thread %d", result);
   }