am 19bbf92d: am fc204a96: Merge changes Ia9509ad0,I4e815d74,I10e8d92c

* commit '19bbf92de92ad9dbfb26b3a94025bf6e6cb72cee':
  logcat: test White Black list
  logd: Find log time for arbitrary time to tail
  logd: liblog: logcat: Arbitrary time to tail