DO NOT MERGE: Merge Oreo MR1 into master

Exempt-From-Owner-Approval: Changes already landed internally
Change-Id: Ia77c1576f7f9f24fe18468f4a7a598ed5073000a
tree: e9b22a800adac878aa4d9b60311c9ee66fa23c14
  1. msm8998/
  2. Android.mk
  3. CleanSpec.mk