am 09526712: Merge changes I12d6aa4e,I9e802113,I2b30e0fc,Iaf387b9e

* commit '095267125f867b80cdd5d5738339aaea1bca4ffc':
  logcat: remove dead label code
  logcat: do not stop on unexpected log ID
  Revert "logd: Add minimum time bucket statistics"
  liblog: Instrument logging of logd write drops
tree: 00a3a0e0a99ab095ec8ab2093ce206fd119095e4
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/