Merge "Added system_server to system group" into oc-mr1-dev

#include <unistd.h>

#include "android-base/logging.h"

#include <android-base/file.h>

#include <android-base/stringprintf.h>

#include <cutils/fs.h>

#include <cutils/multiuser.h>

#include <cutils/sched_policy.h>

namespace {

using android::String8;

using android::base::StringPrintf;

using android::base::WriteStringToFile;

static pid_t gSystemServerPid = 0;

          ALOGE("System server process %d has died. Restarting Zygote!", pid);

          RuntimeAbort(env, __LINE__, "System server process has died. Restarting Zygote!");

      }

      // Assign system_server to the correct memory cgroup.

      if (!WriteStringToFile(StringPrintf("%d", pid), "/dev/memcg/system/tasks")) {

        ALOGE("couldn't write %d to /dev/memcg/system/tasks", pid);

      }

  }

  return pid;

}