Revert "mondrianwifi: init: Move all fs mounting to fs_mgr"

This reverts commit 4d80784f8cef4bec2f938804fc72621dfd311669.

Change-Id: I380a883d068113afa83f75dfbaa966001f113b03
mondrianwifi: init: Update fstab for L

Change-Id: I81003fb6d02f0c1bc1b5c82df5dd7daf4bc90cde
Merge remote-tracking branch 'cm/cm-12.0' into HEAD