message: Fix increment of 'count_of_rejections_duplicate_name' counter
  In case of duplicated name of application SDL didn't increment
  'count_of_rejections_duplicate_name' counter in policy db.
  Added incrementing of counter.
diff: @@ -299,12 +299,6 @@ void RegisterAppInterfaceRequest::Run() {
  mobile_apis::Result::eType coincidence_result = CheckCoincidence();
  - if (mobile_apis::Result::SUCCESS != coincidence_result) {
  - LOG4CXX_ERROR(logger_, "Coincidence check failed.");
  - SendResponse(false, coincidence_result);
  - return;
  - }
  -
  std::vector<ApplicationSharedPtr> duplicate_apps;
  if (GetDuplicateNames(duplicate_apps)) {
  LOG4CXX_ERROR(logger_,
  @@ -319,6 +313,13 @@ void RegisterAppInterfaceRequest::Run() {
  // Retrieve hybrid app preference from registering app
  preference = app->hybrid_app_preference();
  } else {
  + if (mobile_apis::Result::DUPLICATE_NAME == coincidence_result) {
  + usage_statistics::AppCounter count_of_rejections_duplicate_name(
  + GetPolicyHandler().GetStatisticManager(),
  + policy_app_id,
  + usage_statistics::REJECTIONS_DUPLICATE_NAME);
  + ++count_of_rejections_duplicate_name;
  + }
  // Search for the hybrid app preference in the duplicate app list
  for (auto duplicate_app : duplicate_apps) {
  if (duplicate_app->is_cloud_app()) {
  @@ -366,6 +367,12 @@ void RegisterAppInterfaceRequest::Run() {
  }
  }
  + if (mobile_apis::Result::SUCCESS != coincidence_result) {
  + LOG4CXX_ERROR(logger_, "Coincidence check failed.");
  + SendResponse(false, coincidence_result);
  + return;
  + }
  +
  if (IsWhiteSpaceExist()) {
  LOG4CXX_INFO(logger_,
  "Incoming register app interface has contains \t\n \\t \\n");
  