message: Fix typo for Fb303 service data method
  Summary:
  getQuantilStat -> getQuantileStat
  bethechange
diff: @@ -107,7 +107,7 @@ class ServiceData {
  DynamicStrings* getDynamicStrings() {
  return &dynamicStrings_;
  }
  - fb303::detail::QuantileStatMap* getQuantilStatMap() {
  + fb303::detail::QuantileStatMap* getQuantileStatMap() {
  return &quantileMap_;
  }
  