Add icu libraries to fuzzer dependencies

In component build, fuzzer did not link with icu libraries, causing
errors. By adding icu libraries to dependencies fuzzer links correctly.

BUG=
TEST=fuzzer/*

Review-Url: https://codereview.chromium.org/2510063002
Cr-Commit-Position: refs/heads/master@{#41098}

BUILD.gn

@@ -2402,6 +2402,10 @@ v8_source_set("fuzzer_support") {
     ":v8_libbase",
     ":v8_libplatform",
   ]
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
 }
 
 v8_source_set("simple_fuzzer") {

test/fuzzer/fuzzer.gyp

@@ -425,6 +425,14 @@
         'fuzzer-support.cc',
         'fuzzer-support.h',
       ],
+      'conditions': [
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+      ],
     },
   ],
   'conditions': [