Merge changes I42162365,Ia72f1305,I57d1f86c,I026d074e

* changes:
  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: 6f1000dda4b0d54ebb4de35ee91d442a60e43a27
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/