netty: update to 4.1.16

build.gradle

@@ -95,7 +95,7 @@ subprojects {
         protocPluginBaseName = 'protoc-gen-grpc-java'
         javaPluginPath = "$rootDir/compiler/build/exe/java_plugin/$protocPluginBaseName$exeSuffix"
 
-        nettyVersion = '4.1.15.Final'
+        nettyVersion = '4.1.16.Final'
         guavaVersion = '19.0'
         protobufVersion = '3.4.0'
         protocVersion = protobufVersion

netty/src/main/java/io/grpc/netty/AbstractHttp2Headers.java

@@ -25,6 +25,11 @@ import java.util.Set;
 
 abstract class AbstractHttp2Headers implements Http2Headers {
 
+  @Override
+  public Iterator<CharSequence> valueIterator(CharSequence name) {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public int size() {
     throw new UnsupportedOperationException();

repositories.bzl

@@ -167,71 +167,71 @@ def com_squareup_okio():
 def io_netty_codec_http2():
   native.maven_jar(
       name = "io_netty_netty_codec_http2",
-      artifact = "io.netty:netty-codec-http2:4.1.14.Final",
-      sha1 = "00d2af27befab8e1abfbf37d1ac2a5185dce1dbe",
+      artifact = "io.netty:netty-codec-http2:4.1.16.Final",
+      sha1 = "45c27cddac120a4fcda8f699659e59389f7b9736",
   )
 
 def io_netty_buffer():
   native.maven_jar(
       name = "io_netty_netty_buffer",
-      artifact = "io.netty:netty-buffer:4.1.14.Final",
-      sha1 = "71f0a707209b1356d924d6f8b2f415f8b8e1cf82",
+      artifact = "io.netty:netty-buffer:4.1.16.Final",
+      sha1 = "63b5fa95c74785e16f2c30ce268bc222e35c8cb5",
   )
 
 def io_netty_common():
   native.maven_jar(
       name = "io_netty_netty_common",
-      artifact = "io.netty:netty-common:4.1.14.Final",
-      sha1 = "230ff063651295d2695c0b4e9411e22bbbb9c09d",
+      artifact = "io.netty:netty-common:4.1.16.Final",
+      sha1 = "177a6b30cca92f6f5f9873c9befd681377a4c328",
   )
 
 def io_netty_transport():
   native.maven_jar(
       name = "io_netty_netty_transport",
-      artifact = "io.netty:netty-transport:4.1.14.Final",
-      sha1 = "3ed6474f1289635fc0696ec37380e20f258950a2",
+      artifact = "io.netty:netty-transport:4.1.16.Final",
+      sha1 = "3c8ee2c4d4a1cbb947a5c184c7aeb2204260958b",
   )
 
 def io_netty_codec():
   native.maven_jar(
       name = "io_netty_netty_codec",
-      artifact = "io.netty:netty-codec:4.1.14.Final",
-      sha1 = "b8573ae401f17e6927f158e4c446311bf0646173",
+      artifact = "io.netty:netty-codec:4.1.16.Final",
+      sha1 = "d84a1f21768b7309c2954521cf5a1f46c2309eb1",
   )
 
 def io_netty_codec_socks():
   native.maven_jar(
       name = "io_netty_netty_codec_socks",
-      artifact = "io.netty:netty-codec-socks:4.1.14.Final",
-      sha1 = "b8d856c686ac960b9e9b9f8f9b4083978c161327",
+      artifact = "io.netty:netty-codec-socks:4.1.16.Final",
+      sha1 = "f42aabfb1dcae4eaf1700f2c2d047eab3c1b8523",
   )
 
 def io_netty_codec_http():
   native.maven_jar(
       name = "io_netty_netty_codec_http",
-      artifact = "io.netty:netty-codec-http:4.1.14.Final",
-      sha1 = "f287b593a37e516f98c9dae7337303e7254e8ea1",
+      artifact = "io.netty:netty-codec-http:4.1.16.Final",
+      sha1 = "d64312378b438dfdad84267c599a053327c6f02a",
   )
 
 def io_netty_handler():
   native.maven_jar(
       name = "io_netty_netty_handler",
-      artifact = "io.netty:netty-handler:4.1.14.Final",
-      sha1 = "626a48b846736c944eb35dd9b0fe0435b76ebf93",
+      artifact = "io.netty:netty-handler:4.1.16.Final",
+      sha1 = "fec0e63e7dd7f4eeef7ea8dc47a1ff32dfc7ebc2",
   )
 
 def io_netty_handler_proxy():
   native.maven_jar(
       name = "io_netty_netty_handler_proxy",
-      artifact = "io.netty:netty-handler-proxy:4.1.14.Final",
-      sha1 = "9dbedd6cc6ab9299c927d0c73791d3d8fd76ac20",
+      artifact = "io.netty:netty-handler-proxy:4.1.16.Final",
+      sha1 = "e3007ed3368748ccdc35c1f38c7d6c089768373a",
   )
 
 def io_netty_resolver():
   native.maven_jar(
       name = "io_netty_netty_resolver",
-      artifact = "io.netty:netty-resolver:4.1.14.Final",
-      sha1 = "f91e0197522e7d33fce84b3dfd86ade15edb0006",
+      artifact = "io.netty:netty-resolver:4.1.16.Final",
+      sha1 = "f6eb553b53fb3a90a8ac1170697093fed82eae28",
   )
 
 def io_netty_tcnative_boringssl_static():