onclite: Set DPI

* Onclite real ppi is 279.
* The closest value divisible by 20 is 280.

Co-authored-by: Adi Wahono <r6680jc@gmail.com>
Change-Id: I0851898b3203ea6a9ab31c5a967537fa80f19006

BoardConfig.mk

@@ -105,6 +105,7 @@ BOARD_QTI_CAMERA_32BIT_ONLY := true
 TARGET_TS_MAKEUP := true
 
 # Display
+TARGET_SCREEN_DENSITY := 280
 TARGET_USES_ION := true
 TARGET_USES_GRALLOC1 := true
 TARGET_USES_HWC2 := true