am 88e01661: Merge "logd: optimize code hotspots"

* commit '88e0166123eca72cbfc28e92d8abaa95b9b9ce0e':
  logd: optimize code hotspots
tree: 3a9415f4851257e8e7e65f72303c12a922cf15ff
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/