ANDROID: improve trusty kthread priority Add 'signaled' flag that can be used by nop_work_func() on each processor to boost priority only when necessary. Slight rework to calculating the correct priority for kthread based on several factors. Add trace point for dequeue. Bug: 260619596 Change-Id: If0ae0f22132a41157b62a0f51f510aa05f141c63 Signed-off-by: Brandon Anderson <[email protected]>