Lower the priority of the LazyTaskWriter thread.

This worker thread shouldn't be prioritized at the same level as user
tasks, preemptions of ui threads may result. Additionally, if we lower
its priority level, it will be scheduled on more efficient cores
in big little systems.

Change-Id: I49a7df6fb43d6c067aeacf9ff0cbd5477cb42f7d
1 file changed