Use simplified update-makefiles.sh script. am: 208a4b70ea am: 4dc19f7050
am: 98d9315d9b

Change-Id: Ifa232984a610bd392b283ba43aff4786ea426b9a
tree: 2c8e0537c008105644eb99d04faa49e3e4c8f462
  1. update-makefiles.sh