Vendor: Push up our stock dpi a bit

Due that we have on our stock on xhdpi 241dpi
still some not solveable graphical glitches happen
(especially on gapps which are hardcoded and
not solveable over smali)
Push up to 245 to solve
any of this issues a lot users complained
last time

cheers

Change-Id: I66ac0138c935c2a7071180795c87da580e93f1ea