Adding min/max retry and throttle delay for the retryer.
Also, increase the max retries to 10 which is inline with
dynamodb default retry count.
Signed-off-by: Tao Jiang <taoj@vmware.com>
Update aws go sdk to the latest. Also, update
integration tests by publishing data using both
PutRecord and PutRecords.
Signed-off-by: Tao Jiang <taoj@vmware.com>