Merge "Make liblog headers compile stand-alone."
am: fe3551e9dc

Change-Id: I20b97d38d356f720c74954200f40b8315cdd0c21
tree: f5a6a22cb9aac28d3e29293716946ca46ad114a3
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/