Fix CTS test for new key grant getters.

These tests were poorly placed - the package was a PO, so these calls
didn't cause SecurityException.

Fixes: 174605891
Fixes: 175311185
Fixes: 175311384
Test: test CtsDevicePolicyTestCases
Change-Id: I129f5dc49b2460434c74b7f46ce21c3de2db3752
3 files changed