Revert 122320 - fake_dns tool for Android.

tools/android/common/adb_connection.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/android/common/adb_connection.h"
 
 #include <arpa/inet.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <sys/socket.h>
@@ skipping 65 matching lines @@
     bytes_sent += ret;
     bytes_remaining -= ret;
   }
 
   const size_t kAdbStatusLength = 4;
   char response[kBufferMaxLength];
   int response_length = HANDLE_EINTR(recv(host_socket, response,
                                           kBufferMaxLength, 0));
   if (response_length < kAdbStatusLength ||
       strncmp("OKAY", response, kAdbStatusLength) != 0) {
+    char fail_msg_buffer[kBufferMaxLength * 3 + 1];
+    char* p = fail_msg_buffer;
+    for (int i = 0; i < response_length; ++i) {
+      snprintf(p, 3, "%02x,", static_cast<unsigned char>(response[i]));
+      p += 3;
+    }
+
+    if (p > fail_msg_buffer)
+      *(--p) = 0;  // Eliminate the last comma.
     LOG(ERROR) << "Bad response from ADB: length: " << response_length
-               << " data: " << DumpBinary(response, response_length);
+               << " data: " << fail_msg_buffer;
     HANDLE_EINTR(close(host_socket));
     return -1;
   }
 
   return host_socket;
 }
 
 }  // namespace tools