Merge changes from topic 'health-hal'

* changes:
  health: add sepolicy for health hal service
  health: allow rules for passthrough health HAL

private/file_contexts

@@ -226,6 +226,7 @@
 /system/lib(64)?/libart.*        u:object_r:libart_file:s0
 /system/bin/hw/android\.hardware\.audio@2\.0-service          u:object_r:hal_audio_exec:s0
 /system/bin/hw/android\.hardware\.boot@1\.0-service           u:object_r:hal_boot_exec:s0
+/system/bin/hw/android\.hardware\.health@1\.0-service         u:object_r:hal_health_exec:s0
 /system/bin/hw/android\.hardware\.light@2\.0-service          u:object_r:hal_light_exec:s0
 /system/bin/hw/android\.hardware\.memtrack@1\.0-service       u:object_r:hal_memtrack_exec:s0
 /system/bin/hw/android\.hardware\.nfc@1\.0-service            u:object_r:hal_nfc_exec:s0

private/hal_health.te

+# may be started by init
+init_daemon_domain(hal_health)

public/hal_health.te

+# health info abstraction
+type hal_health, domain;
+type hal_health_exec, exec_type, file_type;
+
+# hwbinder access
+hwbinder_use(hal_health)
+
+# call into healthd for callbacks
+binder_call(hal_health, healthd)
+
+# Read access to system files for HALs in
+# /{system,vendor,odm}/lib[64]/hw/ in order
+# to be able to open the hal implementation .so files
+r_dir_file(hal_health, system_file)

public/healthd.te

@@ -10,6 +10,10 @@ r_dir_file(healthd, sysfs_type)
 r_dir_file(healthd, rootfs)
 r_dir_file(healthd, cgroup)
 
+# Read access to system files for passthrough HALs in
+# /{system,vendor,odm}/lib[64]/hw/
+r_dir_file(healthd, system_file)
+
 allow healthd self:capability { net_admin sys_tty_config };
 
 wakelock_use(healthd)
@@ -19,6 +23,8 @@ allow healthd self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
 binder_use(healthd)
 binder_service(healthd)
 binder_call(healthd, system_server)
+binder_call(healthd, hwservicemanager)
+binder_call(healthd, hal_health)
 
 allow healthd sysfs_batteryinfo:file r_file_perms;
 allow healthd batteryproperties_service:service_manager { add find };