This commit enables the execution of system application commands
on either controller at any state.
Tests conducted:
- upload, apply, reapply, remove, delete of both stx-openstack
and test apps on AIOSX. To simulate dual controller, the
application install path was removed after each command.
Story: 2003908
Task: 28124
Change-Id: I152818a3bce8c316e2b9ae9799e40bf876652c21
Signed-off-by: Tee Ngo <Tee.Ngo@windriver.com>