Use lower priorities for grpc server errors

Author: amarziali

dd-java-agent/instrumentation/armeria-grpc/src/main/java/datadog/trace/instrumentation/armeria/grpc/server/GrpcServerDecorator.java

@@ -9,6 +9,7 @@
 import datadog.trace.api.cache.DDCaches;
 import datadog.trace.api.naming.SpanNaming;
 import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
+import datadog.trace.bootstrap.instrumentation.api.ErrorPriorities;
 import datadog.trace.bootstrap.instrumentation.api.InternalSpanTypes;
 import datadog.trace.bootstrap.instrumentation.api.UTF8BytesString;
 import datadog.trace.bootstrap.instrumentation.decorator.ServerDecorator;
@@ -102,7 +103,8 @@ public <RespT, ReqT> AgentSpan onCall(final AgentSpan span, ServerCall<ReqT, Res
   public AgentSpan onStatus(final AgentSpan span, final Status status) {
     span.setTag("status.code", status.getCode().name());
     span.setTag("status.description", status.getDescription());
-    return span.setError(SERVER_ERROR_STATUSES.get(status.getCode().value()));
+    return span.setError(
+        SERVER_ERROR_STATUSES.get(status.getCode().value()), ErrorPriorities.HTTP_SERVER_DECORATOR);
   }
 
   public AgentSpan onClose(final AgentSpan span, final Status status) {

dd-java-agent/instrumentation/grpc-1.5/src/main/java/datadog/trace/instrumentation/grpc/server/GrpcServerDecorator.java

@@ -102,7 +102,8 @@ public <RespT, ReqT> AgentSpan onCall(final AgentSpan span, ServerCall<ReqT, Res
   public AgentSpan onStatus(final AgentSpan span, final Status status) {
     span.setTag("status.code", status.getCode().name());
     span.setTag("status.description", status.getDescription());
-    return span.setError(SERVER_ERROR_STATUSES.get(status.getCode().value()));
+    return span.setError(
+        SERVER_ERROR_STATUSES.get(status.getCode().value()), ErrorPriorities.HTTP_SERVER_DECORATOR);
   }
 
   public AgentSpan onClose(final AgentSpan span, final Status status) {