Roll third_party/icu/ 75e34bccc..3f443830b (4 commits)

https://chromium.googlesource.com/chromium/deps/icu.git/+log/75e34bcccea0..3f443830bd52

Created with:
  roll-dep third_party/icu

R=nigi@chromium.org

Change-Id: I1575ff6fcb4bf71460609e2b641c6bf396ef78f9
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/85039
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: K. Moon <kmoon@chromium.org>
diff --git a/DEPS b/DEPS
index 92a7db3..406a55d 100644
--- a/DEPS
+++ b/DEPS
@@ -73,7 +73,7 @@
   # 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': '75e34bcccea0be165c31fdb278b3712c516c5876',
+  'icu_revision': '3f443830bd52d3aa5fab3c1aa2b6d0848bb5039d',
   # 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.