[test] Suppress TSAN failure in ICU

Bug: v8:8110
Change-Id: I7531ca961d0a0ed612ea3571c2bbef290b87c035
Reviewed-on: https://chromium-review.googlesource.com/1196689Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55559}

tools/sanitizers/tsan_suppressions.txt

@@ -4,3 +4,7 @@
 # Incorrectly detected lock cycles in test-lockers
 # https://code.google.com/p/thread-sanitizer/issues/detail?id=81
 deadlock:LockAndUnlockDifferentIsolatesThread::Run
+
+# Data race in a third party lib
+# https://bugs.chromium.org/p/v8/issues/detail?id=8110
+race:IndianCalendar::fgSystemDefaultCenturyStartYear