Merge changes Id5f03945,I69c74471

* changes:
  logd: add fuzzer for SerializedLogBuffer and other improvements
  logd: join() the SerializedLogBuffer deleter thread
tree: 992e2bcec2fe931281c79a4b7a9a5ad2f0f10548
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/