Pontoon: Update Vietnamese (vi) localization of AMO
Pontoon: Update Vietnamese (vi) localization of AMO

Co-authored-by: nguyenthu1991981 <5182d5c0906751caf2f4f67067334436f1161b7e@gmail.com>

mozilla/addons-server,mozilla/addons-server,diox/olympia,wagnerand/addons-server,mozilla/addons-server,diox/olympia,diox/olympia,wagnerand/addons-server,wagnerand/addons-server,wagnerand/addons-server,mozilla/addons-server,diox/olympia