bitbake: bitbake: build, runqueue: adds info to the *runQueue* events

bitbake: bitbake: build, runqueue: adds info to the *runQueue* events

This patch adds task identifying information for all
runQueue and sceneQueue events, and for bb.build.Task* events.
This will allow matching event to specific tasks in the UI
handlers processing these events.

Adds RunQueueData functions to get the task name and task
file for usage with the runQueue* events.

Adds taskfile and taskname properties to bb.build.TaskBase.

Adds taskfile and taskname properties to the *runQueue* events

(Bitbake rev: b4a5e4be50d871a80dbe0993117d73f5ad82e38f)

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>