ANDROID: Partial Revert: "ANDROID: sched: Add cpu capacity awareness to wakeup balancing"

Revert most of changes of commit b9ac00948928940dffe6f4b5a8c8dea714ce3ed7.
Keep infrastructure bits used in following EAS patches. Fix task_util
return type.

Change-Id: Ic545ac745d00f19f7b6567d4b4b8d4bde32a95ca
Signed-off-by: Quentin Perret <quentin.perret@arm.com>
1 file changed