[Cronet] Fix CronetFixedModeOutputStream to not write more bytes than specified

components/cronet/android/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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/version.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
@@ skipping 566 matching lines @@
     "test/javatests/src/org/chromium/net/TestUrlRequestCallback.java",
     "test/javatests/src/org/chromium/net/UploadDataProvidersTest.java",
     "test/javatests/src/org/chromium/net/UploadTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetBufferedOutputStreamTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetChunkedOutputStreamTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetFixedModeOutputStreamTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLStreamHandlerTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/CronetURLStreamHandlerFactoryTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/MessageLoopTest.java",
+    "test/javatests/src/org/chromium/net/urlconnection/QuicUploadTest.java",
     "test/javatests/src/org/chromium/net/urlconnection/TestUtil.java",
     "test/javatests/src/org/chromium/net/UrlResponseInfoTest.java",
   ]
 
   deps = [
     ":cronet_api",
     ":cronet_java",
     ":cronet_test_apk_java",
     "//base:base_java",
     "//base:base_java_test_support",
@@ skipping 273 matching lines @@
     ":cronet_package_copy_native_lib",
     ":cronet_package_copy_native_lib_unstripped",
     ":generate_javadoc",
     ":generate_licenses",
     ":jar_cronet_api_source",
     ":jar_cronet_other_source",
     ":jar_cronet_sample_source",
     ":repackage_extracted_jars",
   ]
 }