use the new API in channelProviders

Author: AgraVator

core/src/main/java/io/grpc/internal/ManagedChannelImplBuilder.java

@@ -486,11 +486,16 @@ public ManagedChannelImplBuilder nameResolverFactory(NameResolver.Factory resolv
     return this;
   }
 
-  ManagedChannelImplBuilder nameResolverRegistry(NameResolverRegistry resolverRegistry) {
+  public ManagedChannelImplBuilder nameResolverRegistry(NameResolverRegistry resolverRegistry) {
     this.nameResolverRegistry = resolverRegistry;
     return this;
   }
 
+  public ManagedChannelImplBuilder nameResolverProvider(NameResolverProvider provider) {
+    this.nameResolverProvider = provider;
+    return this;
+  }
+
   @Override
   public ManagedChannelImplBuilder defaultLoadBalancingPolicy(String policy) {
     Preconditions.checkState(directServerAddress == null,

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

@@ -738,6 +738,24 @@ public NettyChannelBuilder nameResolverProvider(NameResolverProvider provider) {
     return this;
   }
 
+  /**
+   * Sets the registry used for looking up name resolvers.
+   */
+  @CanIgnoreReturnValue
+  public NettyChannelBuilder nameResolverRegistry(NameResolverRegistry registry) {
+    managedChannelImplBuilder.nameResolverRegistry(registry);
+    return this;
+  }
+
+  /**
+   * Sets the {@link io.grpc.NameResolverProvider} to use.
+   */
+  @CanIgnoreReturnValue
+  public NettyChannelBuilder nameResolverProvider(NameResolverProvider provider) {
+    managedChannelImplBuilder.nameResolverProvider(provider);
+    return this;
+  }
+
 
 
   static Collection<Class<? extends SocketAddress>> getSupportedSocketAddressTypes() {

okhttp/src/main/java/io/grpc/okhttp/OkHttpChannelBuilder.java

@@ -600,6 +600,22 @@ SSLSocketFactory createSslSocketFactory() {
     }
   }
 
+  /**
+   * Sets the registry used for looking up name resolvers.
+   */
+  public OkHttpChannelBuilder nameResolverRegistry(NameResolverRegistry registry) {
+    managedChannelImplBuilder.nameResolverRegistry(registry);
+    return this;
+  }
+
+  /**
+   * Sets the {@link NameResolverProvider} to use.
+   */
+  public OkHttpChannelBuilder nameResolverProvider(NameResolverProvider provider) {
+    managedChannelImplBuilder.nameResolverProvider(provider);
+    return this;
+  }
+
   private static final EnumSet<TlsChannelCredentials.Feature> understoodTlsFeatures =
       EnumSet.of(
           TlsChannelCredentials.Feature.MTLS, TlsChannelCredentials.Feature.CUSTOM_MANAGERS);