Merge "Make liblog headers compile stand-alone." am: fe3551e9dc am: 383d87ce7f
am: 7b9c789d23

Change-Id: Ie4227d04492fdb6d571eca3f7637e650180b4716
tree: 7e94fe1e6efe9ede8834e70bab5d3db4432af931
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/