Remove dropbox dependency from StatsLogProcessor

StatsLogProcessor::StatsLogProcessor(const sp<UidMap>& uidMap,

                                     const std::function<void(const vector<uint8_t>&)>& pushLog)

    : m_dropbox_writer("all-logs"), mUidMap(uidMap), mPushLog(pushLog) {

    : mUidMap(uidMap), mPushLog(pushLog) {

}

StatsLogProcessor::~StatsLogProcessor() {

// TODO: what if statsd service restarts? How do we know what logs are already processed before?

void StatsLogProcessor::OnLogEvent(const LogEvent& msg) {

    // TODO: Use EventMetric to filter the events we want to log.

    /* TODO: Convert this when we have the generic protobuf writing library in.

    EventMetricData eventMetricData = parse(msg);

    m_dropbox_writer.addEventMetricData(eventMetricData);

    */

    // pass the event to metrics managers.

    for (auto& pair : mMetricsManagers) {

        pair.second->onLogEvent(msg);

#include "logd/LogReader.h"

#include "metrics/MetricsManager.h"

#include "packages/UidMap.h"

#include "storage/DropboxWriter.h"

#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"

    void flush();

private:

    // TODO: use EventMetrics to log the events.

    DropboxWriter m_dropbox_writer;

    std::unordered_map<ConfigKey, std::unique_ptr<MetricsManager>> mMetricsManagers;

    sp<UidMap> mUidMap;  // Reference to the UidMap to lookup app name and version for each uid.

    size_t mBufferSize = 0;

    /* Check if the buffer size exceeds the max buffer size when the new entry is added, and flush

       the logs to dropbox if true. */

       the logs to callback clients if true. */

    void flushIfNecessary(const EventMetricData& eventMetricData);

    /* Append event metric data to StatsLogReport. */