Change how we change the lcd density

This allows us to edit the props without re-zipping
vendor: add dpi for xxxhdpi devices and push up other due....

that LP simply has way smaller fonts. The new value equals optically
now same as it was with the old value on KitKat

Change-Id: If802dfe964e84f33f88266d0735cdba1a81e4838

(cherry picked from commit 6f4852439e82d761c4310a0752ace3eda58a4dca)
Prebuilts Chromium: fixed derp
Build cmRemiX v2.9 and disable chromium prebuits for now