V8 Buildbot: Let leak checker use the v8-side wrapper.

masters/master.client.v8/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # 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.
 
 from buildbot.scheduler import Nightly
 from buildbot.scheduler import Scheduler
 
@@ skipping 739 matching lines @@
 }
 
 b_v8_linux_arm64_sim_msan = {
   'name': 'V8 Linux - arm64 - sim - MSAN',
   'builddir': 'v8-linux-arm64-sim-msan',
   'factory': m_annotator.BaseFactory('v8'),
   'category': CATEGORY_SANITIZERS,
   'auto_reboot' : False,
 }
 
-b_v8_linux_memcheck = {
-  'name': 'V8 Linux - memcheck',
+b_v8_linux64_memcheck = {
+  'name': 'V8 Linux64 - memcheck',
   'slavebuilddir': 'linux',
   'factory': m_annotator.BaseFactory('v8'),
   'category': CATEGORY_SANITIZERS,
   'auto_reboot' : False,
 }
 
 b_v8_mac64_asan = {
   'name': 'V8 Mac64 ASAN',
   'slavebuilddir': 'mac64-asan',
   'factory': m_annotator.BaseFactory('v8'),
@@ skipping 230 matching lines @@
                  b_v8_linux_ppc64_sim,
                  b_v8_gcstress,
                  b_v8_linux64_custom_snapshot_gcstress,
                  b_v8_mac_gcstress,
                  b_v8_arm_gcstress,
                  b_v8_linux_arm64_sim_gc,
                  b_v8_linux64_asan,
                  b_v8_linux64_tsan,
                  b_v8_linux64_cfi,
                  b_v8_linux_arm64_sim_msan,
-                 b_v8_linux_memcheck,
+                 b_v8_linux64_memcheck,
                  b_v8_linux64_asan_no_inline_builder,
                  b_v8_linux64_asan_debug_builder,
                  b_v8_linux64_asan_arm64_debug_builder,
                  b_v8_linux_asan_arm_debug_builder,
                  b_v8_linux_asan_mipsel_debug_builder,
                  b_v8_mac64_asan,
                  b_v8_fuzz,
                  b_v8_linux_deopt_fuzzer,
                  b_v8_linux_gcc_4_8,
                  b_v8_linux_vtunejit,
@@ skipping 43 matching lines @@
 # too low. Must keep at least a few days worth of builds.
 c['buildHorizon'] = 1000
 c['logHorizon'] = 500
 # Must be at least 2x the number of slaves.
 c['eventHorizon'] = 200
 
 ####### PROJECT IDENTITY
 
 c['projectName'] = ActiveMaster.project_name
 c['projectURL'] = config.Master.project_url