Split permission controller unit tests

into:
- Tests that drive the real permission controller from inside the
  process.
- Tests that mock out dependencies and hence don't run inside the real
  app. This new test includes all the permission controller files
  locally, but of course is not integrated with the system and hence
  breaks when interacting with it.
  Therefore this test app should only be used for tests that cannot be
  written as blackbox or in-process tests.

Bonus:
- Delete unnecessary translations
- Move ui.handheld tests into the right package

Test: atest PermissionControllerMockingTests PermissionControllerInProcessTests
Bug: 155019930
Change-Id: Id2d4d4a9c638a5c6a4febdf8f7a94636f757bdad
Merged-In: Id2d4d4a9c638a5c6a4febdf8f7a94636f757bdad