[tx-robot] updated from transifex

apps/accessibility/l10n/ru.js

apps/accessibility/l10n/ru.json

apps/contactsinteraction/l10n/pt_BR.js

apps/contactsinteraction/l10n/pt_BR.json

apps/dav/l10n/sr.js

apps/dav/l10n/sr.json

apps/files_sharing/l10n/pl.js

apps/files_sharing/l10n/pl.json

apps/lookup_server_connector/l10n/pt_BR.js

apps/lookup_server_connector/l10n/pt_BR.json

apps/user_status/l10n/pt_BR.js

apps/user_status/l10n/pt_BR.json

core/l10n/pt_BR.js

core/l10n/pt_BR.json