sched: Add task placement snapshot

This snapshot is taken as of msm-4.9 'commit f85a9dec
("sched: walt: Fix cpu_capacity_orig stuck issue")'.

Change-Id: I5bc0f0648bbab48da0f13600ea2fcbd9c1b7f0e8
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>