Update ICU to 61.1

ICU 61.1 was released in late March with CLDR 33.
Arabic number format change in CLDR 33 requires
a small adjustment in the test result.

See https://chromium-review.googlesource.com/c/chromium/deps/icu/+/1041578
for details on ICU 61.1.

NOTREECHECKS=true


Bug: chromium:838383, chromium:843073
Test: test262/intl402/*, intl/*
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I3778423b7dc67891767c95ea503e003013ae5b69
Reviewed-on: https://chromium-review.googlesource.com/1038230
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53251}

DEPS

@@ -18,7 +18,7 @@ deps = {
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '3f0591d4f12991ed39bae2dca96d3593879be382',
   'v8/third_party/icu':
-    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'e4194dc7bbb3305d84cbb1b294274ca70d230721',
+    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'b0e0b8429d15e4a93e4f4cca8da628644b4fec23',
   'v8/third_party/instrumented_libraries':
     Var('chromium_url') + '/chromium/src/third_party/instrumented_libraries.git' + '@' + '323cf32193caecbf074d1a0cb5b02b905f163e0f',
   'v8/buildtools':

test/mjsunit/intl-numberformat-formattoparts.js

@@ -210,7 +210,6 @@ if (this.Intl) {
                Integer("٥٣٢"),
                Decimal("٫"),
                Fraction("٠٠"),
-               Literal("\xA0"),
                PercentSign("٪\u{061C}")]);
 
   // Decimals.