Corrected LOKit Enum names in Document.java.

Change-Id: I890bca0712a650b2454807fa11f43f7db14aad6b
Reviewed-on: https://gerrit.libreoffice.org/39831Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>