AWSPolly Update models to latest #255

Job	Run time
Unit Test (AWSAPIGateway)	3m 11s
Unit Test (AWSAutoScaling)	4m 49s
Unit Test (AWSCloudWatch)	5m 4s
Unit Test (AWSCognitoAuth)	5m 3s
Unit Test (AWSCognitoIdentityProvider)	5m 25s
Unit Test (AWSComprehend)	3m 34s
Unit Test (AWSConnect)	5m 55s
Unit Test (AWSConnectParticipant)	6m 5s
Unit Test (AWSCore)	5m 9s
Unit Test (AWSDynamoDB)	3m 35s
Unit Test (AWSEC2)	5m 3s
Unit Test (AWSElasticLoadBalancing)	4m 26s
Unit Test (AWSIoT)	4m 26s
Unit Test (AWSKMS)	5m 2s
Unit Test (AWSKinesis)	3m 33s
Unit Test (AWSKinesisVideo)	5m 20s
Unit Test (AWSKinesisVideoArchivedMedia)	5m 27s
Unit Test (AWSKinesisVideoSignaling)	3m 54s
Unit Test (AWSKinesisVideoWebRTCStorage)	3m 19s
Unit Test (AWSLambda)	3m 24s
Unit Test (AWSLex)	3m 46s
Unit Test (AWSLogs)	3m 27s
Unit Test (AWSMachineLearning)	4m 4s
Unit Test (AWSMobileClient)	5m 48s
Unit Test (AWSPinpoint)	5m 9s
Unit Test (AWSPolly)	4m 34s
Unit Test (AWSRekognition)	4m 44s
Unit Test (AWSS3)	4m 7s
Unit Test (AWSSES)	3m 53s
Unit Test (AWSSNS)	3m 40s
Unit Test (AWSSQS)	4m 21s
Unit Test (AWSSageMakerRuntime)	4m 50s
Unit Test (AWSSimpleDB)	3m 55s
Unit Test (AWSTextract)	3m 57s
Unit Test (AWSTranscribe)	6m 11s
Unit Test (AWSTranscribeStreaming)	6m 2s
Unit Test (AWSTranslate)	4m 26s
Unit Test (AWSLocation)	4m 5s
Unit Test (AWSChimeSDKMessaging)	4m 4s
Unit Test (AWSChimeSDKIdentity)	3m 50s
	3h 0m 37s

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