Assign a label to the ro.boottime.* properties

am: bb9a3888

Change-Id: I6f9175baa166d7f8b887b12fbc6266e602f24173

private/property_contexts

@@ -58,6 +58,7 @@ persist.service.bdroid. u:object_r:bluetooth_prop:s0
 persist.security.       u:object_r:system_prop:s0
 persist.vendor.overlay.  u:object_r:overlay_prop:s0
 ro.boot.vendor.overlay.  u:object_r:overlay_prop:s0
+ro.boottime.             u:object_r:boottime_prop:s0
 
 # Boolean property set by system server upon boot indicating
 # if device owner is provisioned.

public/bootstat.te

@@ -8,3 +8,6 @@ allow bootstat bootstat_data_file:file create_file_perms;
 
 # Read access to pseudo filesystems (for /proc/uptime).
 r_dir_file(bootstat, proc)
+
+# Collect metrics on boot time created by init
+get_prop(bootstat, boottime_prop)

public/property.te

 type audio_prop, property_type, core_property_type;
+type boottime_prop, property_type;
 type bluetooth_prop, property_type, core_property_type;
 type config_prop, property_type, core_property_type;
 type cppreopt_prop, property_type, core_property_type;

public/system_server.te

@@ -384,6 +384,9 @@ set_prop(system_server, ctl_bugreport_prop)
 # cppreopt property
 set_prop(system_server, cppreopt_prop)
 
+# Collect metrics on boot time created by init
+get_prop(system_server, boottime_prop)
+
 # Create a socket for receiving info from wpa.
 allow system_server wpa_socket:dir rw_dir_perms;
 allow system_server system_wpa_socket:sock_file create_file_perms;