Fixed MixedDeviceOwnerTest tests that were missing mocked DpmWrapper calls.

Test: atest com.android.cts.devicepolicy.MixedDeviceOwnerTest#testPermittedAccessibilityServices,testPermittedInputMethods

Fixes: 189266348
Fixes: 189266946

Change-Id: I0302b0e1ac5c3023d92829a03d2d7f312b63a9a9
1 file changed