Alphabetize the sepolicy property_contexts

Change-Id: Ie8b221800d9a84ddd64b2fd2b5d9525bc9c3df76
diff --git a/shared/sepolicy/vendor/property_contexts b/shared/sepolicy/vendor/property_contexts
index 2f21488..b783099 100644
--- a/shared/sepolicy/vendor/property_contexts
+++ b/shared/sepolicy/vendor/property_contexts
@@ -1,14 +1,14 @@
 bt.rootcanal_test_console  u:object_r:hal_bluetooth_sim_prop:s0
-sys.cf.ser.  u:object_r:sys_cf_ser_prop:s0
-vendor.ser.  u:object_r:vendor_ser_prop:s0
+qemu.sf.back_camera_caps  u:object_r:hal_camera_prop:s0
+qemu.sf.front_camera_caps  u:object_r:hal_camera_prop:s0
 ro.boot.cuttlefish_config_server_port  u:object_r:cuttlefish_config_server_port_prop:s0
+ro.boot.hardware.gralloc u:object_r:cf_graphics_config_prop:s0 exact string
+ro.boot.hardware.hwcomposer u:object_r:cf_graphics_config_prop:s0 exact string
+ro.boot.lcd_density u:object_r:cf_graphics_config_prop:s0 exact int
 ro.boot.vsock_frames_port  u:object_r:vsock_frames_port_prop:s0
 ro.boot.vsock_logcat_port  u:object_r:vsock_logcat_port_prop:s0
 ro.cdma.home.operator.alpha  u:object_r:vendor_init_radio_prop:s0
 ro.cdma.home.operator.numeric  u:object_r:vendor_init_radio_prop:s0
+sys.cf.ser.  u:object_r:sys_cf_ser_prop:s0
+vendor.ser.  u:object_r:vendor_ser_prop:s0
 vendor.vsock_logcat_status  u:object_r:vsock_logcat_status_prop:s0
-qemu.sf.back_camera_caps  u:object_r:hal_camera_prop:s0
-qemu.sf.front_camera_caps  u:object_r:hal_camera_prop:s0
-ro.boot.hardware.gralloc u:object_r:cf_graphics_config_prop:s0 exact string
-ro.boot.hardware.hwcomposer u:object_r:cf_graphics_config_prop:s0 exact string
-ro.boot.lcd_density u:object_r:cf_graphics_config_prop:s0 exact int