am 900362c3: am 1b2fb587: Merge changes I42162365,Ia72f1305,I57d1f86c,I026d074e

* commit '900362c36eb531c88d37d8fa57b66c45ed165122':
  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