common: Add policy for lineage health HAL

Change-Id: I70a36a48e951bcabe7b36ee72d8481ff1ba563cf
diff --git a/common/vendor/genfs_contexts b/common/vendor/genfs_contexts
index b051a52..c7d4ae5 100644
--- a/common/vendor/genfs_contexts
+++ b/common/vendor/genfs_contexts
@@ -24,6 +24,7 @@
 
 genfscon sysfs /devices/platform/argos                                    u:object_r:sysfs_argos:s0
 genfscon sysfs /devices/platform/battery/power_supply                     u:object_r:sysfs_battery:s0
+genfscon sysfs /devices/platform/battery/power_supply/battery/batt_slate_mode u:object_r:sysfs_battery_writable:s0
 genfscon sysfs /devices/platform/battery/power_supply/battery/lcd         u:object_r:sysfs_battery_writable:s0
 genfscon sysfs /devices/platform/panel@0/backlight/panel/brightness       u:object_r:sysfs_backlight_writable:s0
 genfscon sysfs /devices/platform/panel@0/backlight/panel/max_brightness   u:object_r:sysfs_backlight_writable:s0
diff --git a/common/vendor/hal_lineage_health_default.te b/common/vendor/hal_lineage_health_default.te
new file mode 100644
index 0000000..c26d365
--- /dev/null
+++ b/common/vendor/hal_lineage_health_default.te
@@ -0,0 +1,2 @@
+allow hal_lineage_health_default sysfs_battery:dir r_dir_perms;
+allow hal_lineage_health_default sysfs_battery_writable:file rw_file_perms;