[api] improve the way of passing in the auth token on Android
[api] improve the way of passing in the auth token on Android

Chilledheart/seahub,madflow/seahub,Chilledheart/seahub,madflow/seahub,miurahr/seahub,Chilledheart/seahub,miurahr/seahub,cloudcopy/seahub,cloudcopy/seahub,Chilledheart/seahub,miurahr/seahub,miurahr/seahub,madflow/seahub,Chilledheart/seahub,cloudcopy/seahub,cloudcopy/seahub,madflow/seahub,madflow/seahub