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/debuggerd/debuggerd.cpp b/debuggerd/debuggerd.cpp
index c578d65..5550bc0 100644
--- a/debuggerd/debuggerd.cpp
+++ b/debuggerd/debuggerd.cpp
@@ -821,12 +821,8 @@
   ALOGI("debuggerd: starting\n");
 
   for (;;) {
-    sockaddr_storage ss;
-    sockaddr* addrp = reinterpret_cast<sockaddr*>(&ss);
-    socklen_t alen = sizeof(ss);
-
     ALOGV("waiting for connection\n");
-    int fd = accept4(s, addrp, &alen, SOCK_CLOEXEC | SOCK_NONBLOCK);
+    int fd = accept4(s, nullptr, nullptr, SOCK_CLOEXEC | SOCK_NONBLOCK);
     if (fd == -1) {
       ALOGE("accept failed: %s\n", strerror(errno));
       continue;