Controls in Lockscreen Dialog

After an action is taken by the user while the device is locked, we
need to start the bouncer and continue the action after successful
unlock. This action now supports either launching the
GlobalActionsDialog again or continuing in the newer dialog.

Bug: 179782498
Test: manual
Change-Id: I3829bed7e999fcfc2924d19e0f2ab0cac0afcb77