Merge "bootstat: Add more debug logging metrics to RecordFactoryReset."

#include <getopt.h>

#include <unistd.h>

#include <cmath>

#include <cstddef>

#include <cstdio>

#include <ctime>

  time_t current_time_utc = time(nullptr);

  static const char* factory_reset_current_time = "factory_reset_current_time";

  if (current_time_utc < 0) {

    // UMA does not display negative values in buckets, so convert to positive.

    LogBootEvent(factory_reset_current_time, std::abs(current_time_utc));

    return;

  } else {

    LogBootEvent(factory_reset_current_time, current_time_utc);

  }

  // The factory_reset boot event does not exist after the device is reset, so

  // use this signal to mark the time of the factory reset.

  if (!boot_event_store.GetBootEvent("factory_reset", &record)) {

  // Calculate and record the difference in time between now and the

  // factory_reset time.

  time_t factory_reset_utc = record.second;

  LogBootEvent("factory_reset_record_value", factory_reset_utc);

  time_t time_since_factory_reset = difftime(current_time_utc,

                                             factory_reset_utc);

  boot_event_store.AddBootEventWithValue("time_since_factory_reset",