Merge mainline-release 6664920 to master - DO NOT MERGE

Merged-In: Ib2a6c8b5cc127d4aab61a454f47f3cce410d674e
Change-Id: Ief5996d70b59986c15a1b8056c678a6ef35a72d3
tree: 8f1a266f207112ecc96663c720c8d999fd2b38cf
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/