commit 93d433a6 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon Dec 28 2020 13:30:27 GMT-0800 (Pacific Standard Time) 

    fix Cognito client


commit 56a2c109 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon Dec 28 2020 12:15:56 GMT-0800 (Pacific Standard Time) 

    bump core lib version


commit 5a6fc50d 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon Dec 28 2020 09:57:31 GMT-0800 (Pacific Standard Time) 

    fix os core lib version


commit 90406044 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon Dec 28 2020 09:56:12 GMT-0800 (Pacific Standard Time) 

    supress maven log