Pontoon: Update Japanese (ja) localization of AMO
Pontoon: Update Japanese (ja) localization of AMO

Co-authored-by: dskmori <c197447ef2b18f8c58a29fa0c2261c884940870b@gmail.com>
Co-authored-by: yujintakayanagi <f1710b47106b64a4a9a1813300383b9909aa6454@gmail.com>

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