[I18N] Move source locales to other folder
(cherry picked from commit d38ad85a05)
(cherry picked from commit b94f9b8c1b)
(cherry picked from commit c728ce8b32)
(cherry picked from commit 2911286336)
(cherry picked from commit bd4dc797c7)
(cherry picked from commit 35889addf9)
(cherry picked from commit 9eaf321db4)
(cherry picked from commit 7b64ef0c9b)
(cherry picked from commit 6cd86bf244)
(cherry picked from commit 275dd36f58)
(cherry picked from commit d5ace5a0ae)
(cherry picked from commit c067466f8c)
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