Roll third_party/icu/ 1b2e3e8a4..f27805b7d (6 commits)

https://chromium.googlesource.com/chromium/deps/icu.git/+log/1b2e3e8a421e..f27805b7d7d8

Created with:
  roll-dep third_party/icu

Change-Id: I8a61cc1cb6175fe29b06150caa563ec71afb8a2e
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/137493
Auto-Submit: Andy Phan <andyphan@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 8e2467b..2caab94 100644
--- a/DEPS
+++ b/DEPS
@@ -142,7 +142,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling icu
   # and whatever else without interference from each other.
-  'icu_revision': '1b2e3e8a421efae36141a7b932b41e315b089af8',
+  'icu_revision': 'f27805b7d7d8618fa73ce89e9d28e0a8b2216fec',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling instrumented_lib
   # and whatever else without interference from each other.