Android O MR1 Preview 1
add newest gradle plugin (cherry picked from commit cc33bf5d2c8e84e1309eb165709ec780d9a92d45)
am: f20ba82673

Change-Id: I06ccecf677c076bffdb7a413e87fbd29daf34735
tree: aae8a79cbd19e522660c69ce5f9560654598f582
  1. com/
  2. .gitignore