Merge "Add timestamps of when tag monitoring dumps are cached"

    if (dumpVector.empty()) { return; }

    std::string dumpString;

    String8 currentTime = getFormattedCurrentTime();

    dumpString += "Cached @ ";

    dumpString += currentTime.string();

    dumpString += "\n"; // First line is the timestamp of when client is cached.

    const String16 &packageName = client->getPackageName();

    String8 packageName8 = String8(packageName);

    const char *printablePackageName = packageName8.lockBuffer(packageName.size());

    std::string dumpString;

    size_t i = dumpVector.size();

    // Store the string in reverse order (latest last)