[Fuchsia] Update to the newest spelling of launchpad calls

runtime/bin/process_fuchsia.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_FUCHSIA)
 
 #include "bin/process.h"
@@ skipping 722 matching lines @@
     mx_status_t status =
         mx_handle_duplicate(mx_job_default(), MX_RIGHT_SAME_RIGHTS, &job);
     if (status != NO_ERROR) {
       mx_handle_close(binary_vmo);
     }
     CHECK_FOR_ERROR(status, "mx_handle_duplicate");
 
     // Set up the launchpad.
     launchpad_t* lp = NULL;
     launchpad_create(job, program_arguments_[0], &lp);
-    launchpad_arguments(lp, program_arguments_count_, program_arguments_);
-    launchpad_environ(lp, program_environment_);
-    launchpad_clone_mxio_root(lp);
+    launchpad_set_args(lp, program_arguments_count_, program_arguments_);
+    launchpad_set_environ(lp, program_environment_);
+    launchpad_clone(lp, LP_CLONE_MXIO_ROOT);
     // TODO(zra): Use the supplied working directory when launchpad adds an
     // API to set it.
-    launchpad_clone_mxio_cwd(lp);
+    launchpad_clone(lp, LP_CLONE_MXIO_CWD);
     launchpad_add_pipe(lp, &write_out_, 0);
     launchpad_add_pipe(lp, &read_in_, 1);
     launchpad_add_pipe(lp, &read_err_, 2);
     launchpad_add_vdso_vmo(lp);
     launchpad_elf_load(lp, binary_vmo);
     launchpad_load_vdso(lp, MX_HANDLE_INVALID);
     *launchpad = lp;
     return NO_ERROR;
   }
 
@@ skipping 56 matching lines @@
 void Process::ClearSignalHandler(intptr_t signal) {
   UNIMPLEMENTED();
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_FUCHSIA)
 
 #endif  // !defined(DART_IO_DISABLED)