fix: include gax changes

Author: diegomarquezp

sdk-platform-java/gax-java/gax-grpc/pom.xml

@@ -70,7 +70,6 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-netty-shaded</artifactId>
-      <scope>runtime</scope>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -131,6 +130,16 @@
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.bouncycastle</groupId>
+      <artifactId>bcprov-jdk18on</artifactId>
+      <version>1.84</version>
+    </dependency>
+    <dependency>
+      <groupId>org.bouncycastle</groupId>
+      <artifactId>bctls-jdk18on</artifactId>
+      <version>1.84</version>
+    </dependency>
   </dependencies>
 
   <build>

sdk-platform-java/gax-java/gax-grpc/src/main/java/com/google/api/gax/grpc/InstantiatingGrpcChannelProvider.java

@@ -817,12 +817,12 @@ public ManagedChannelBuilder<?> createDecoratedChannelBuilder() throws IOExcepti
     if (interceptorProvider != null) {
       builder.intercept(interceptorProvider.getInterceptors());
     }
+    configurePqc(builder);
+
     if (channelConfigurator != null) {
       builder = channelConfigurator.apply(builder);
     }
 
-    configurePqc(builder);
-
     return builder;
   }
 
@@ -846,9 +846,14 @@ private void configurePqc(ManagedChannelBuilder<?> builder) {
               ApplicationProtocolConfig.SelectedListenerFailureBehavior.ACCEPT,
               "h2");
 
+      java.security.Provider bcProvider = new org.bouncycastle.jce.provider.BouncyCastleProvider();
+      java.security.Provider bcJsseProvider =
+          new org.bouncycastle.jsse.provider.BouncyCastleJsseProvider(bcProvider);
+
       SslContext shadedSslContext =
           SslContextBuilder.forClient()
               .sslProvider(SslProvider.JDK)
+              .sslContextProvider(bcJsseProvider)
               .protocols("TLSv1.3")
               .applicationProtocolConfig(apn)
               .build();