ppapi: Make 0.4 the default for PPP_Printing_Dev, leave backwards-compat

ppapi/native_client/src/shared/ppapi_proxy/ppp_rpc_client.cc

 // Copyright (c) 2011 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
@@ skipping 265 matching lines @@
       message_bytes, message
   );
   if (retval == NACL_SRPC_RESULT_INTERNAL)
     ppapi_proxy::CleanUpAfterDeadNexe(instance);
   return retval;
 }
 
 NaClSrpcError PppPrintingRpcClient::PPP_Printing_QuerySupportedFormats(
     NaClSrpcChannel* channel,
     PP_Instance instance,
-    nacl_abi_size_t* formats_bytes, char* formats,
-    int32_t* format_count)  {
+    int32_t* formats)  {
   NaClSrpcError retval;
   retval = NaClSrpcInvokeBySignature(
       channel,
-      "PPP_Printing_QuerySupportedFormats:i:Ci",
+      "PPP_Printing_QuerySupportedFormats:i:i",
       instance,
-      formats_bytes, formats,
-      format_count
+      formats
   );
   if (retval == NACL_SRPC_RESULT_INTERNAL)
     ppapi_proxy::CleanUpAfterDeadNexe(instance);
   return retval;
 }
 
 NaClSrpcError PppPrintingRpcClient::PPP_Printing_Begin(
     NaClSrpcChannel* channel,
     PP_Instance instance,
     nacl_abi_size_t print_settings_bytes, char* print_settings,
@@ skipping 129 matching lines @@
       instance,
       factor,
       text_only
   );
   if (retval == NACL_SRPC_RESULT_INTERNAL)
     ppapi_proxy::CleanUpAfterDeadNexe(instance);
   return retval;
 }