Update tsan suppression for uprv_{malloc,realloc}

build/sanitizers/tsan_suppressions.cc

 // Copyright 2014 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.
 
 // This file contains the default suppressions for ThreadSanitizer.
 // You can also pass additional suppressions via TSAN_OPTIONS:
 // TSAN_OPTIONS=suppressions=/path/to/suppressions. Please refer to
 // http://dev.chromium.org/developers/testing/threadsanitizer-tsan-v2
 // for more info.
 
@@ skipping 51 matching lines @@
 "race:media::ReleaseData\n"
 
 // http://crbug.com/158922
 "race:third_party/libvpx/source/libvpx/vp8/encoder/*\n"
 
 // http://crbug.com/189177
 "race:thread_manager\n"
 "race:v8::Locker::Initialize\n"
 
 // http://crbug.com/223352
-"race:uprv_malloc_52\n"
-"race:uprv_realloc_52\n"
+"race:uprv_malloc_54\n"
+"race:uprv_realloc_54\n"
 
 // http://crbug.com/239359
 "race:media::TestInputCallback::OnData\n"
 
 // http://crbug.com/244368
 "race:skia::BeginPlatformPaint\n"
 
 // http://crbug.com/244385
 "race:unixTempFileDir\n"
 
@@ skipping 247 matching lines @@
 // https://crbug.com/460243
 "race:IPC::ChannelMojoHost::OnClientLaunched\n"
 
 // https://crbug.com/454655
 "race:content::BrowserTestBase::PostTaskToInProcessRendererAndWait\n"
 
 // End of suppressions.
 ;  // Please keep this semicolon.
 
 #endif  // THREAD_SANITIZER