Merge changes I7d0b85b5,I74796043

* changes:
  logd: LogStatistics leak
  logd: kill(0,0) issue
tree: 0259d8e697a2eb373c5c37e33510b856b6ef47ed
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/