Updated API models and rebuilt service gems.

Author: AWS SDK for Ruby

apis/application-autoscaling/2016-02-06/api-2.json

@@ -508,7 +508,8 @@
         "ElastiCachePrimaryEngineCPUUtilization",
         "ElastiCacheReplicaEngineCPUUtilization",
         "ElastiCacheDatabaseMemoryUsageCountedForEvictPercentage",
-        "NeptuneReaderAverageCPUUtilization"
+        "NeptuneReaderAverageCPUUtilization",
+        "SageMakerVariantProvisionedConcurrencyUtilization"
       ]
     },
     "MetricUnit":{"type":"string"},
@@ -682,7 +683,8 @@
         "kafka:broker-storage:VolumeSize",
         "elasticache:replication-group:NodeGroups",
         "elasticache:replication-group:Replicas",
-        "neptune:cluster:ReadReplicaCount"
+        "neptune:cluster:ReadReplicaCount",
+        "sagemaker:variant:DesiredProvisionedConcurrency"
       ]
     },
     "ScalableTarget":{