Roll third_party/icu/ fbc6faf1c..b9f6d0a5c (1 commit)

https://chromium.googlesource.com/chromium/deps/icu.git/+log/fbc6faf1c2c4..b9f6d0a5c537

Created with:
  roll-dep third_party/icu

Change-Id: I4fd0227311b3fa578d5ce2bde3f97ee5bae1acde
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/89350
Auto-Submit: Nigi <nigi@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 0134a43..f10567d 100644
--- a/DEPS
+++ b/DEPS
@@ -78,7 +78,7 @@
   # 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': 'fbc6faf1c2c429cd27fabe615a89f0b217aa4213',
+  'icu_revision': 'b9f6d0a5c5375dc4643f35360d257dba37c1d3e1',
   # 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.