Update for pending changes
### SDK Features
### SDK Enhancements
+* `service/autoscaling`: Fix documentation for PutScalingPolicy.AutoScalingGroupName [#1522](https://github.com/aws/aws-sdk-go/pull/1522)
+* `service/s3/s3manager`: Clarify S3 Upload manager Concurrency config [#1521](https://github.com/aws/aws-sdk-go/pull/1521)
+ * Fixes [#1458](https://github.com/aws/aws-sdk-go/issues/1458)
+* `service/dynamodb/dynamodbattribute`: Add support for time alias. [#1520](https://github.com/aws/aws-sdk-go/pull/1520)
+ * Related to [#1505](https://github.com/aws/aws-sdk-go/pull/1505)
### SDK Bugs
