Update the TSan suppressions for uprv_malloc_xx and uprv_realloc_xx

BUG=223352
TBR=bruening@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/416463002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284899 0039d316-1c4b-4281-b951-d872f2087c98

base/debug/tsan_suppressions.cc

@@ -69,8 +69,8 @@ char kTSanDefaultSuppressions[] =
 "race:v8::Locker::Initialize\n"
 
 // http://crbug.com/223352
-"race:uprv_malloc_46\n"
-"race:uprv_realloc_46\n"
+"race:uprv_malloc_52\n"
+"race:uprv_realloc_52\n"
 
 // http://crbug.com/239359
 "race:media::TestInputCallback::OnData\n"