overlay: Trace MDP ioctls

Add trace points for all MDP ioctls called from liboverlay
so that they show up in systrace.

b/11387181 - HH suffers from "busy janks"
Change-Id: I99d6ef987499fc858d298e74a60fc3cd4f8a0609
1 file changed
tree: d0f1380452a0a34a649a722f298a7083783d8ec7
  1. Android.mk
  2. msm8960/
  3. msm8974/
  4. msm8x26/