Revert \"msm8996: update kernel headers for AU 199\"
am: 742401386f

Change-Id: If1e6c0a69e177dba9366aa89ebebdb652ef34581
tree: 17425d921ff87a04cb5b7fb65bc2677049ba38ae
  1. kernel-headers/
  2. msm8996.mk
  3. original-kernel-headers/