Convert from CM to Omni
Add omni_mione_plus-eng and omni_mione_plus-userdebug to lunch
Add omni_mione_plus.mk for brunch and direct to vendor/omni
Remove duplicate apps and add omni specific ones
Remove extra overlays to fix building
Revert commit 10c5f9748dc1f62dbb31c84c3f541864356ed5e9 cause there's no 'DUALBOOT' of TWRP