istio related fix

commit 96138ef1 
Author: Rucha Deshpande <deshruch@amazon.com> 
Date: Wed Oct 06 2021 11:51:55 GMT-0700 (Pacific Daylight Time) 

    rever temp change


commit 1600d7d2 
Author: Rucha Deshpande <deshruch@amazon.com> 
Date: Wed Oct 06 2021 11:00:02 GMT-0700 (Pacific Daylight Time) 

    test validation


commit fcc220d4 
Author: Rucha Deshpande <deshruch@amazon.com> 
Date: Wed Oct 06 2021 10:42:03 GMT-0700 (Pacific Daylight Time) 

    test validation


commit 16209e7f 
Author: Rucha Deshpande <deshruch@amazon.com> 
Date: Tue Oct 05 2021 13:31:31 GMT-0700 (Pacific Daylight Time) 

    temp. override of response code for AWS Istio response code when  no token