adb: remove unnecessary addr arguments to accept.

Follow up to https://android-review.googlesource.com/#/c/261412/

Change-Id: I0ee130db302940f3224cc823a26b02fc45da0fca
Test: mma
diff --git a/adb/adb_auth_client.cpp b/adb/adb_auth_client.cpp
index 9d8dfc0..84ad6ef 100644
--- a/adb/adb_auth_client.cpp
+++ b/adb/adb_auth_client.cpp
@@ -151,9 +151,7 @@
 }
 
 static void adb_auth_listener(int fd, unsigned events, void* data) {
-    sockaddr_storage addr;
-    socklen_t alen = sizeof(addr);
-    int s = adb_socket_accept(fd, reinterpret_cast<sockaddr*>(&addr), &alen);
+    int s = adb_socket_accept(fd, nullptr, nullptr);
     if (s < 0) {
         PLOG(ERROR) << "Failed to accept";
         return;
diff --git a/adb/adb_listeners.cpp b/adb/adb_listeners.cpp
index f54603c..0299be3 100644
--- a/adb/adb_listeners.cpp
+++ b/adb/adb_listeners.cpp
@@ -71,10 +71,7 @@
 
 static void ss_listener_event_func(int _fd, unsigned ev, void *_l) {
     if (ev & FDE_READ) {
-        sockaddr_storage ss;
-        sockaddr* addrp = reinterpret_cast<sockaddr*>(&ss);
-        socklen_t alen = sizeof(ss);
-        int fd = adb_socket_accept(_fd, addrp, &alen);
+        int fd = adb_socket_accept(_fd, nullptr, nullptr);
         if (fd < 0) return;
 
         int rcv_buf_size = CHUNK_SIZE;
@@ -96,13 +93,7 @@
     asocket *s;
 
     if (ev & FDE_READ) {
-        sockaddr_storage ss;
-        sockaddr* addrp = reinterpret_cast<sockaddr*>(&ss);
-        socklen_t alen;
-        int fd;
-
-        alen = sizeof(ss);
-        fd = adb_socket_accept(_fd, addrp, &alen);
+        int fd = adb_socket_accept(_fd, nullptr, nullptr);
         if (fd < 0) {
             return;
         }
diff --git a/adb/jdwp_service.cpp b/adb/jdwp_service.cpp
index 7a44801..027821a 100644
--- a/adb/jdwp_service.cpp
+++ b/adb/jdwp_service.cpp
@@ -444,10 +444,7 @@
     JdwpControl* control = (JdwpControl*)_control;
 
     if (events & FDE_READ) {
-        sockaddr_storage ss;
-        sockaddr* addrp = reinterpret_cast<sockaddr*>(&ss);
-        socklen_t addrlen = sizeof(ss);
-        int s = adb_socket_accept(control->listen_socket, addrp, &addrlen);
+        int s = adb_socket_accept(control->listen_socket, nullptr, nullptr);
         if (s < 0) {
             if (errno == ECONNABORTED) {
                 /* oops, the JDWP process died really quick */
diff --git a/adb/transport_local.cpp b/adb/transport_local.cpp
index d918cc7..d620a37 100644
--- a/adb/transport_local.cpp
+++ b/adb/transport_local.cpp
@@ -197,9 +197,6 @@
 
 static void server_socket_thread(void* arg) {
     int serverfd, fd;
-    sockaddr_storage ss;
-    sockaddr *addrp = reinterpret_cast<sockaddr*>(&ss);
-    socklen_t alen;
     int port = (int) (uintptr_t) arg;
 
     adb_thread_setname("server socket");
@@ -217,9 +214,8 @@
             close_on_exec(serverfd);
         }
 
-        alen = sizeof(ss);
         D("server: trying to get new connection from %d", port);
-        fd = adb_socket_accept(serverfd, addrp, &alen);
+        fd = adb_socket_accept(serverfd, nullptr, nullptr);
         if(fd >= 0) {
             D("server: new connection on fd %d", fd);
             close_on_exec(fd);