Merge changes from topic 'logcatd -L' into oc-dev
am: c155fbedf2

Change-Id: I9e80ce2bd3b8b601f6ac5e4b1312a1e6a9bf9d10
tree: 4b6866b37013a482d78cc37b2e419f1afc8173dc
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/