WLC: Cleanup the sysfs_wlc policies

The sepolicy must be self-contained without including wirelss_charger to
avoid build break in AOSP

Bug: 263830018
Change-Id: Ib9bf2e7b6ed5105b8b4e47e9a48e67919845d50a
Signed-off-by: Ken Yang <yangken@google.com>
diff --git a/wireless_charger/hal_googlebattery.te b/wireless_charger/hal_googlebattery.te
new file mode 100644
index 0000000..6fda60f
--- /dev/null
+++ b/wireless_charger/hal_googlebattery.te
@@ -0,0 +1,2 @@
+r_dir_file(hal_googlebattery, sysfs_wlc)
+allow hal_googlebattery sysfs_wlc:file rw_file_perms;