Make two icu fuzz targets more useful.

fuzzers/icu_break_iterator_fuzzer.cc

Index: fuzzers/icu_break_iterator_fuzzer.cc
diff --git a/fuzzers/icu_break_iterator_fuzzer.cc b/fuzzers/icu_break_iterator_fuzzer.cc
index 3b0d336e415a5f7836d4f2f891f583d107b83bda..e6147583bcf120bf9eced9578c0b3736d0d8de00 100644
--- a/fuzzers/icu_break_iterator_fuzzer.cc
+++ b/fuzzers/icu_break_iterator_fuzzer.cc
@@ -35,10 +35,13 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       bi.reset(icu::BreakIterator::createTitleInstance(locale, status));
       break;
   }
-  if (U_FAILURE(status)) return 0;
+  if (U_FAILURE(status))
+    return 0;
+  bi->setText(str);
 
   for (int32_t p = bi->first(); p != icu::BreakIterator::DONE; p = bi->next())
-    if (U_FAILURE(status)) return 0;
+    if (U_FAILURE(status))
+      return 0;
 
   return 0;
 }