am 0bda352f: Merge changes from topic \'logcatd\'

* commit '0bda352f7f2b4453aa7b65feb935938205f1285e':
  init.rc: logd: Add logpersistd (nee logcatd)
  init: change exec parsing to make SECLABEL optional
  logcat: -f run in background
  logcat: -f flag to continue