Move sysfs access from domain_deprecated to radio

This permission appears to only be needed for radio on
Marlin/Sailfish. Moving these permissions with a TODO to reduce
the scope.

Bug: 28760354
Test: build
Merged-In: I62ab0e9315826387b8916a0a4213f63739e22fa2
Change-Id: I62ab0e9315826387b8916a0a4213f63739e22fa2
(cherry picked from commit b241130f040cab519df30425ae99d59f77524608)
diff --git a/sepolicy/radio.te b/sepolicy/radio.te
index 767e0a7..8d6fa23 100644
--- a/sepolicy/radio.te
+++ b/sepolicy/radio.te
@@ -17,3 +17,8 @@
 allow radio avtimer_device:chr_file rw_file_perms;
 
 allowxperm radio self:udp_socket ioctl priv_sock_ioctls;
+
+# TODO scope this down. Granting these here is not granting new permissions,
+# just moving existing permissions from domain_deprecated to radio as part of
+# b/28760354 in order to deprivilege other processes which do not need access.
+r_dir_file(radio, sysfs)