Fixes.

netty/BUILD.bazel

@@ -12,6 +12,7 @@ java_library(
     deps = [
         "//api",
         "//core:internal",
+        "//util",
         artifact("com.google.code.findbugs:jsr305"),
         artifact("com.google.errorprone:error_prone_annotations"),
         artifact("com.google.guava:guava"),

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

@@ -153,7 +153,7 @@
             x509ExtendedTrustManager.isPresent()
                 ? (X509ExtendedTrustManager) x509ExtendedTrustManager.get()
                 : null));
       } catch (SSLException | GeneralSecurityException ex) {
         log.log(Level.FINE, "Exception building SslContext", ex);
         return FromChannelCredentialsResult.error(
             "Unable to create SslContext: " + ex.getMessage());
@@ -1192,7 +1192,7 @@
 
     @Override
     public String getPeerHost() {
       return peerHost;
     }
 
     @Override
@@ -1208,107 +1208,107 @@
     @Override
     public SSLEngineResult wrap(ByteBuffer[] byteBuffers, int i, int i1, ByteBuffer byteBuffer)
         throws SSLException {
       return null;
     }
 
     @Override
     public SSLEngineResult unwrap(ByteBuffer byteBuffer, ByteBuffer[] byteBuffers, int i, int i1)
         throws SSLException {
       return null;
     }
 
     @Override
     public Runnable getDelegatedTask() {
       return null;
     }
 
     @Override
     public void closeInbound() throws SSLException {
 
     }
 
     @Override
     public boolean isInboundDone() {
       return false;
     }
 
     @Override
     public void closeOutbound() {}
 
     @Override
     public boolean isOutboundDone() {
       return false;
     }
 
     @Override
     public String[] getSupportedCipherSuites() {
       return new String[0];
     }
 
     @Override
     public String[] getEnabledCipherSuites() {
       return new String[0];
     }
 
     @Override
     public void setEnabledCipherSuites(String[] strings) {}
 
     @Override
     public String[] getSupportedProtocols() {
       return new String[0];
     }
 
     @Override
     public String[] getEnabledProtocols() {
       return new String[0];
     }
 
     @Override
     public void setEnabledProtocols(String[] strings) {}
 
     @Override
     public SSLSession getSession() {
       return null;
     }
 
     @Override
     public void beginHandshake() throws SSLException {}
 
     @Override
     public HandshakeStatus getHandshakeStatus() {
       return null;
     }
 
     @Override
     public void setUseClientMode(boolean b) {}
 
     @Override
     public boolean getUseClientMode() {
       return false;
     }
 
     @Override
     public void setNeedClientAuth(boolean b) {}
 
     @Override
     public boolean getNeedClientAuth() {
       return false;
     }
 
     @Override
     public void setWantClientAuth(boolean b) {}
 
     @Override
     public boolean getWantClientAuth() {
       return false;
     }
 
     @Override
     public void setEnableSessionCreation(boolean b) {}
 
     @Override
     public boolean getEnableSessionCreation() {
       return false;
     }
   }
 
@@ -1321,82 +1321,83 @@
 
     @Override
     public byte[] getId() {
       return new byte[0];
     }
 
     @Override
     public SSLSessionContext getSessionContext() {
       return null;
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public javax.security.cert.X509Certificate[] getPeerCertificateChain() {
       throw new UnsupportedOperationException("This method is deprecated and marked for removal. "
           + "Use the getPeerCertificates() method instead.");
     }
 
     @Override
     public long getCreationTime() {
       return 0;
     }
 
     @Override
     public long getLastAccessedTime() {
       return 0;
     }
 
     @Override
     public void invalidate() {}
 
     @Override
     public boolean isValid() {
       return false;
     }
 
     @Override
     public void putValue(String s, Object o) {}
 
     @Override
     public Object getValue(String s) {
       return null;
     }
 
     @Override
     public void removeValue(String s) {}
 
     @Override
     public String[] getValueNames() {
       return new String[0];
     }
 
     @Override
     public Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
       return new Certificate[0];
     }
 
     @Override
     public Certificate[] getLocalCertificates() {
       return new Certificate[0];
     }
 
     @Override
     public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
       return null;
     }
 
     @Override
     public Principal getLocalPrincipal() {
       return null;
     }
 
     @Override
     public String getCipherSuite() {
       return null;
     }
 
     @Override
     public String getProtocol() {
       return null;
     }
 
     @Override
@@ -1406,17 +1407,17 @@
 
     @Override
     public int getPeerPort() {
       return 0;
     }
 
     @Override
     public int getPacketBufferSize() {
       return 0;
     }
 
     @Override
     public int getApplicationBufferSize() {
       return 0;
     }
   }
 }