DO NOT MERGE - Merge pi-dev@5234907 into stage-aosp-master

Bug: 120848293
Change-Id: I178359ad531f0194030e56de95d67ae8af87232e
tree: 30c4986464e4db6a41e3afce4be5e5d53d3238be
  1. .gitignore
  2. Android.bp
  3. host/