See https://chromium.googlesource.com/chromium/deps/icu/+/1552155
for changes.

Correct test expectation based on icu64 changes.

CL of Rolling the same ICU hash to DEPS in chromium/src Repo is in
https://chromium-review.googlesource.com/c/chromium/src/+/1536613

Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng

Bug: chromium:943348, v8:9052
Change-Id: I3a4579ba745f7f6a621b2059de325bea7a2472a1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1536559Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60647}