Move qemu.sf.lcd_density into system/sepolicy

qemu.sf.lcd_density is rerefenced by surfaceflinger
and zygote.

Bug: 178144237
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: Iede75d1170aeac9d020d60a3a66a1f69cee46abf
Merged-In: Iede75d1170aeac9d020d60a3a66a1f69cee46abf
diff --git a/private/property_contexts b/private/property_contexts
index ff84dcc..5c3a84c 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -189,6 +189,9 @@
 # qemu_hw_prop is read/written by both system and vendor.
 qemu.hw.mainkeys        u:object_r:qemu_hw_prop:s0
 
+# qemu_sf_lcd_density_prop is read/written by both system and vendor.
+qemu.sf.lcd_density     u:object_r:qemu_sf_lcd_density_prop:s0 exact int
+
 # Shared between system server and wificond
 wifi.                   u:object_r:wifi_prop:s0
 wlan.                   u:object_r:wifi_prop:s0