Make tetherChangePermission to be secured for AppOps permission

Symptom:
AppOps verified the incorrect package of calling tether state
changing API.
It threw SecurityException by mistake.

Solution:
Pass the correct package name to enforceTetherChangePermission.

Bug: 32931147
Change-Id: I46fd0c8128d00a12fd693e08000aca85849baf33
1 file changed