Merge branch 'android-3.18' of https://android.googlesource.com/kernel/common

* android-3.18:
  cpufreq_stats: Adds the fucntionality to load current values for each frequency for all the cores.
  cgroup: Fix issues in allow_attach callback
  New Build Breakage in branch: kernel-m-dev-tegra-flounder-3.10 @ 1960706
  net/unix: sk_socket can disappear when state is unlocked
  selinux: enable genfscon labeling for sysfs and pstore files
  ext4: don't save the error information if the block device is read-only
  selinux: enable per-file labeling for debugfs files.
  cpufreq: interactive: Rearm governor timer at max freq
  cpufreq: interactive: Implement cluster-based min_sample_time
  cpufreq: interactive: Exercise hispeed settings at a policy level
  cpufreq: interactive: Round up timer_rate to match jiffy
  cpufreq: interactive: Don't set floor_validate_time during boost
  suspend: Return error when pending wakeup source is found.
  proc: uid_cputime: fix show_uid_stat permission