matisse-common: Use TARGET_SCREEN_DENSITY

This variable is used to auto-populate the ro.sf.lcd_density as
well as selecting density bucket for resources in recovery.

Bug: 118676832
Test: adb shell getprop ro.sf.lcd_density
Test: boot into recovery
Change-Id: Ib383d18b61e7a2058a69ae26136aa053fdba4df2

BoardConfigCommon.mk

@@ -48,6 +48,9 @@ TARGET_NEEDS_TEXT_RELOCATIONS := true
 BOARD_NO_CHARGER_LED := true
 BOARD_CHARGER_DISABLE_INIT_BLANK := true
 
+# Display
+TARGET_SCREEN_DENSITY := 160
+
 # Extended Filesystem Support
 TARGET_EXFAT_DRIVER := sdfat
 

system.prop

@@ -31,7 +31,6 @@ camera2.portability.force_api=1
 ro.hdcp2.rx=tz
 ro.qualcomm.cabl=1
 ro.secwvk=144
-ro.sf.lcd_density=160
 debug.sf.disable_backpressure=1
 debug.sf.latch_unsignaled=1
 debug.sf.recomputecrop=0