msm8996: update kernel headers for AU 199 am: 81604e3b0f
am: 4830accbe8

Change-Id: I908dc4bb9ddbb140006c989d2ea0d8c73fb180d2
tree: d56905b4d66f58d833cbb21dbe19cb426303290d
  1. kernel-headers/
  2. msm8996.mk
  3. original-kernel-headers/