Revert to getting a random port and sending that down to debugserver for iOS. The sandboxing is not letting debugserver reverse connect back to lldb.

<rdar://problem/15789865>

llvm-svn: 198963
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
index a4121c7..066b5bc 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
@@ -121,9 +121,10 @@
     // supplied connection URL.
     //------------------------------------------------------------------
     lldb_private::Error
-    StartDebugserverProcess (const char *host_and_port,
+    StartDebugserverProcess (const char *hostname,
+                             uint16_t in_port, // If set to zero, then out_port will contain the bound port on exit
                              lldb_private::ProcessLaunchInfo &launch_info,
-                             uint16_t &port);
+                             uint16_t &out_port);
 
     void
     DumpHistory(lldb_private::Stream &strm);