Compute: Add start notification for resume

The resume operation did not have a 'start' and 'end'. This has
been updated. Notifications should be sent at the start and end
of each opertaion. The support should be consistant throughout
the driver.

Change-Id: I3354d1d9c01b13bc2fed70ee06875f6d49ff1d16
Merge "Compute: Add start notification for resume"