[I18N] Move source locales to other folder
(cherry picked from commit d38ad85a05
)
(cherry picked from commit b94f9b8c1b
)
(cherry picked from commit c1e96a11e9
)
(cherry picked from commit 88ffa46b20
)
(cherry picked from commit 6be3216694
)
(cherry picked from commit 7eb41bda05
)