am 8a4259f9: Merge changes I42162365,Ia72f1305,I57d1f86c,I026d074e

* commit '8a4259f926782105fac68049dcda88b08c935138':
  logd: klogd deal with nuls in dmesg
  logd: log_strtok_r deal with nuls
  liblog: logprint: printable nul
  logd: klogd: sniff for time correction on Mediatek
tree: 7c3dce70501838f29bc566efc810d76da9a6b4dc
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/