fix: Call attemptStarted method with the request (#1562)

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Fixes #<issue_number_goes_here> ☕️

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Author: mutianf

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/mutaterows/MutateRowsAttemptCallable.java

@@ -169,7 +169,8 @@ public Void call() {
       // variables in ApiTracer and avoid exceptions when the tracer marks the attempt as finished
       callContext
           .getTracer()
-          .attemptStarted(externalFuture.getAttemptSettings().getOverallAttemptCount());
+          .attemptStarted(
+              currentRequest, externalFuture.getAttemptSettings().getOverallAttemptCount());
 
       Preconditions.checkState(
           currentRequest.getEntriesCount() > 0, "Request doesn't have any mutations to send");