Update x-amz-user-agent header

[manueliglesias]

React Native

:method	POST
:scheme	https
:path	/graphql
:authority	xxxxxxxxxxxxxxxxxxxxxxxxxx.appsync-api.us-east-1.amazonaws.com
accept	*/*
content-type	application/json
user-agent	Expo/2.3.0.1012011 CFNetwork/893.14 Darwin/16.7.0
x-api-key	da1-XXXXXXXXXX-XXXXXXXXXXX
x-amz-user-agent	aws-amplify/1.0.9 react-native
accept-language	en-us
content-length	164
accept-encoding	br, gzip, deflate

Browser

:authority:xxxxxxxxxxxxxxxxxxxxxxxxxx.appsync-api.us-east-1.amazonaws.com
:method:POST
:path:/graphql
:scheme:https
accept:*/*
accept-encoding:gzip, deflate, br
accept-language:en-US,en;q=0.9
content-length:164
content-type:application/json
origin:http://localhost:3000
referer:http://localhost:3000/
user-agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36
x-amz-user-agent:aws-amplify/1.0.9
x-api-key:da1-XXXXXXXXXX-XXXXXXXXXXX

[mlabieniec]

👍