Allow privapp Traceur access to STATUS_BAR and DUMP

Modifies the privapp allowlist to allow Traceur to grant Traceur the
STATUS_BAR permission, which is needed for quick settings tile functionality, and dump which is needed for the BUGREPORT_STARTED intent.

Bug: 166768816
Test: Built user and userdebug, exercised regular and long trace
functionality

Change-Id: I180527a9a1a30ef6a214b628f37affc69f9ae2f0