Fixing NPE when updating controller state.

- Since registering the pinned stack listener is not synchronous,
  defer updating the controller state until the the listener is
  registered and we have the controller set.

Bug: 33271221
Test: Run on car_emulator_x86_64-userdebug

Change-Id: Ie122b475122bfd2c4ca6f8e439fefc2443a18a37