fix: adapt to introduction of java.time in gax

Author: diegomarquezp

google-cloud-spanner/src/main/java/com/google/cloud/spanner/CompositeTracer.java

@@ -23,7 +23,8 @@
 import com.google.common.collect.ImmutableList;
 import java.util.ArrayList;
 import java.util.List;
-import org.threeten.bp.Duration;
+
+import static com.google.api.gax.util.TimeConversionUtils.toJavaTimeDuration;
 
 @InternalApi
 public class CompositeTracer extends BaseApiTracer {
@@ -108,9 +109,14 @@ public void attemptCancelled() {
  }
 
  @Override
- public void attemptFailed(Throwable error, Duration delay) {
+ public void attemptFailed(Throwable error, org.threeten.bp.Duration delay) {
+ attemptFailedDuration(error, toJavaTimeDuration(delay));
+ }
+
+ @Override
+ public void attemptFailedDuration(Throwable error, java.time.Duration delay) {
  for (ApiTracer child : children) {
- child.attemptFailed(error, delay);
+ child.attemptFailedDuration(error, delay);
  }
  }