Bypass consent dialogs for privileged eUICC switches.

Privileged code should only be triggering switches in response to user
action or at other trusted times. Don't require user consent so the
code can have finer-grained control over its consent UI as needed.

Change-Id: If1ce4cf4de4d1d1287d801812de4109c505c7799
Fixes: 63134740
Test: Unit test