port libxml_xml_read_memory_fuzzer (from kcc's libfuzzer-bot) and disable error messages from the p…

testing/libfuzzer/fuzzers/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Individual libfuzzer tests that didn't find their home yet.
 
 import("//build/config/features.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 fuzzer_test("empty_fuzzer") {
@@ skipping 237 matching lines @@
 }
 
 fuzzer_test("sqlite3_prepare_v2_fuzzer") {
   sources = [
     "sqlite3_prepare_v2_fuzzer.cc",
   ]
   deps = [
     "//third_party/sqlite",
   ]
 }
+
+fuzzer_test("libxml_xml_read_memory_fuzzer") {
+  sources = [
+    "libxml_xml_read_memory_fuzzer.cc",
+  ]
+  deps = [
+    "//third_party/libxml:libxml",
+  ]
+}