Add support to specify the source address for socket connect

runtime/bin/socket.h

Index: runtime/bin/socket.h
diff --git a/runtime/bin/socket.h b/runtime/bin/socket.h
index ff5444daa585f4546d8c2421e657565bd99e393b..42131a420b2ad0f2112546998ce6a096901b46e2 100644
--- a/runtime/bin/socket.h
+++ b/runtime/bin/socket.h
@@ -227,10 +227,11 @@ class Socket {
       intptr_t fd, const void* buffer, intptr_t num_bytes, RawAddr addr);
   static intptr_t RecvFrom(
       intptr_t fd, void* buffer, intptr_t num_bytes, RawAddr* addr);
-  static intptr_t Create(RawAddr addr);
-  static intptr_t Connect(intptr_t fd, RawAddr addr, const intptr_t port);
   static intptr_t CreateConnect(RawAddr addr,
                                 const intptr_t port);
+  static intptr_t CreateBindConnect(RawAddr addr,
+                                    const intptr_t port,
+                                    RawAddr source_addr);
   static intptr_t CreateBindDatagram(
       RawAddr* addr, intptr_t port, bool reuseAddress);
   static intptr_t GetPort(intptr_t fd);