Merge remote-tracking branch \'origin/mnc-dr2-dev\' into mnc-dr2-dev-plus-aosp
am: 09aa2f9b2c

* commit '09aa2f9b2c34339878dfd218d1c6e09644a108b0':
  Fix build break with uninitialized boost_fd.
  Improve cpuset support for surfaceflinger.
  liblog: printable do not escape tabs
  libutils: Add UNEXPECTED_NULL status_t