Added multi-lang support for leaseAssignmentIntervalMillis

Author: ehasah-aws

samples/basic_sample/consumer/sample.properties

@@ -175,3 +175,7 @@ regionName = us-east-1
 # Duration format examples: PT15M (15 mins) PT10H (10 hours) P2D (2 days)
 # Refer to Duration.parse javadocs for more details
 # staleWorkerMetricsEntryCleanupDuration =
+
+# Interval in milliseconds at which Lease Assignment manager (LAM) runs
+# If this value is not set then LAM will run at interval 2 * failoverTimeMillis.
+# leaseAssignmentIntervalMillis = 20000