Commonize pixelstats uevent sepolicies into pixel-specific sepolicy folder

Bug: 171793497
Test: Ensure there are no sepolicy violations for this device
Change-Id: I7f582181b9d51ff7e228d904bb14d535d51948b7
diff --git a/pixelstats/pixelstats_vendor.te b/pixelstats/pixelstats_vendor.te
index e5ddfb9..6d2ce3a 100644
--- a/pixelstats/pixelstats_vendor.te
+++ b/pixelstats/pixelstats_vendor.te
@@ -1,3 +1,8 @@
+# UeventListener
+r_dir_file(pixelstats_vendor, sysfs_batteryinfo)
+allow pixelstats_vendor sysfs_batteryinfo:file w_file_perms;
+allow pixelstats_vendor self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
+
 allow pixelstats_vendor sysfs_scsi_devices_0000:dir search;
 allow pixelstats_vendor sysfs_scsi_devices_0000:file r_file_perms;
 allow pixelstats_vendor sysfs_fs_f2fs:dir search;