Widen a suppression for data race #57266 to match Mac stacks
Widen a suppression for data race #57266 to match Mac stacks

E.g.
 #0  0xBD108DD: Replace_memcpy vgpreload_tsan-x86-darwin.so
 #1  0xBD136C5: memcpy vgpreload_tsan-x86-darwin.so
 #2  0x120C7B94: thread_encoding_proc src/xcodebuild/Release/libffmpegsumo.dylib
 #3  0xBD14CD7: ThreadSanitizerStartThread vgpreload_tsan-x86-darwin.so

BUG=57266
TBR=glider
TEST=TSan/Mac should go green
Review URL: http://codereview.chromium.org/3516006

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@60947 0039d316-1c4b-4281-b951-d872f2087c98

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