chore: Add PlatformDependent class to the runtime declaration

Author: lqiu96

gax-java/gax-grpc/src/main/resources/META-INF/native-image/com.google.api/gax-grpc/native-image.properties

@@ -10,6 +10,6 @@ Args=--add-opens=java.base/java.time=ALL-UNNAMED \
     io.grpc.netty.shaded.io.netty.channel.unix,\
     io.grpc.netty.shaded.io.netty.handler.ssl,\
     io.grpc.internal.RetriableStream,\
-    io.grpc.netty.shaded.io.netty.util.internal.shaded.org.jctools.queues.unpadded.MpscUnpaddedArrayQueue, \
+    io.grpc.netty.shaded.io.netty.util.internal.PlatformDependent,\
     io.grpc.netty.shaded.io.netty
   --features=com.google.api.gax.grpc.nativeimage.GrpcNettyFeature

gax-java/gax/src/main/java/com/google/api/gax/nativeimage/NativeImageUtils.java

@@ -88,13 +88,9 @@ public static void registerClassForReflection(FeatureAccess access, String name)
     Class<?> clazz = access.findClassByName(name);
     if (clazz != null) {
       RuntimeReflection.register(clazz);
+      RuntimeReflection.register(clazz.getDeclaredConstructors());
       RuntimeReflection.register(clazz.getDeclaredFields());
       RuntimeReflection.register(clazz.getDeclaredMethods());
-
-      while (clazz != null) {
-        RuntimeReflection.register(clazz.getDeclaredConstructors());
-        clazz = clazz.getSuperclass();
-      }
     } else {
       LOGGER.log(Level.WARNING, CLASS_REFLECTION_ERROR_MESSAGE, name);
     }