Coalesce warnings for deprecated lifecycle hooks and print single message after reconciliation (rather than one per component-type).

Relates to PR #12028 and [this comment](https://github.com/facebook/react/pull/12028#discussion_r162420575).
let node = from;
    while (node !== null) {
      switch (node.tag) {
        case ClassComponent:
          popContextProvider(node);
          break;
        case HostComponent:
          popHostContext(node);
          break;
        case HostRoot:
          popHostContainer(node);
          break;
        case HostPortal:
          popHostContainer(node);
          break;
        case ContextProvider:
          popProvider(node);
          break;
      }
      if (node === to || node.alternate === to) {
        stopFailedWorkTimer(node);
        break;
      } else {
        stopWorkTimer(node);
      }
      node = node.return;
    }
  }
  function computeAsyncExpiration() {