fix: rename

Author: blakeli0

sdk-platform-java/gax-java/gax/src/main/java/com/google/api/gax/tracing/GoldenSignalsMetricsTracer.java

@@ -89,9 +89,9 @@ public void operationFailed(Throwable error) {
   }
 
   private void recordMetric(Throwable error) {
-    Map<String, Object> errorAttributes =
+    Map<String, Object> responseAttributes =
         ObservabilityUtils.getResponseAttributes(error, transport);
-    attributes.putAll(errorAttributes);
+    attributes.putAll(responseAttributes);
     metricsRecorder.recordOperationLatency(
         clientRequestTimer.elapsed(TimeUnit.NANOSECONDS) / 1_000_000_000.0, attributes);
   }

sdk-platform-java/gax-java/gax/src/main/java/com/google/api/gax/tracing/SpanTracer.java

@@ -217,10 +217,10 @@ private void recordErrorAndEndAttempt(Throwable error) {
     if (attemptSpan == null) {
       return;
     }
-    Map<String, Object> errorAttributes =
+    Map<String, Object> responseAttributes =
         ObservabilityUtils.getResponseAttributes(error, this.apiTracerContext.transport());
-    if (!errorAttributes.isEmpty()) {
-      attemptSpan.setAllAttributes(ObservabilityUtils.toOtelAttributes(errorAttributes));
+    if (!responseAttributes.isEmpty()) {
+      attemptSpan.setAllAttributes(ObservabilityUtils.toOtelAttributes(responseAttributes));
     }
 
     if (error != null && !Strings.isNullOrEmpty(error.getMessage())) {