Correct EuiccController#switchToSubscription permission check.

Replace checkCallingPermission with checkCallingOrSelfPermission.

Bug: 128699741
Test: Manual - turn off active eSIM profile through Settings and
make sure it's switched off.

Change-Id: I976a8a5a0fa2e2106bc3cb6bc12dccbbdf292a50
Merged-In: I976a8a5a0fa2e2106bc3cb6bc12dccbbdf292a50