engine:Task monitoring for remove brick

Monitoring remove brick tasks that are started
from CLI
The volume and bricks that are part of the task is updated
with the task id
Changed task completion check for remove brick tasks

Change-Id: I0eb5035a6f9af0b148ac4877939fb174a196f86e
Signed-off-by: Sahina Bose <sabose@redhat.com>
Signed-off-by: Kanagaraj M <kmayilsa@redhat.com>