Most accept/accept4 calls in system/core don't actually want the remote address.

So don't write the extra code for it or waste the kernel's time
copying it around.

Change-Id: I93de64064c2d4fe58ba5b5322cfa69bf31a76dad
diff --git a/adb/socket_test.cpp b/adb/socket_test.cpp
index d2ce2d8..2bb01a3 100644
--- a/adb/socket_test.cpp
+++ b/adb/socket_test.cpp
@@ -254,10 +254,7 @@
     ASSERT_TRUE(adb_thread_create(reinterpret_cast<void (*)(void*)>(ClientThreadFunc), nullptr,
                                   &client_thread));
 
-    struct sockaddr addr;
-    socklen_t alen;
-    alen = sizeof(addr);
-    int accept_fd = adb_socket_accept(listen_fd, &addr, &alen);
+    int accept_fd = adb_socket_accept(listen_fd, nullptr, nullptr);
     ASSERT_GE(accept_fd, 0);
     CloseRdHupSocketArg arg;
     arg.socket_fd = accept_fd;