Reduce verbose logging when processing message

Bug: Issue 15317
Change-Id: I662368e362a7dc54c19ed681808a6756e3368e6f
diff --git a/src/main/java/com/googlesource/gerrit/plugins/kinesis/KinesisRecordProcessor.java b/src/main/java/com/googlesource/gerrit/plugins/kinesis/KinesisRecordProcessor.java
index b92e8db..5d50870 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/kinesis/KinesisRecordProcessor.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/kinesis/KinesisRecordProcessor.java
@@ -63,7 +63,7 @@
   @Override
   public void processRecords(ProcessRecordsInput processRecordsInput) {
     try {
-      logger.atInfo().log("Processing %s record(s)", processRecordsInput.records().size());
+      logger.atFine().log("Processing %s record(s)", processRecordsInput.records().size());
       processRecordsInput
           .records()
           .forEach(