build(node_library): migrate to Trampoline V2 (#512)
build(node_library): migrate to Trampoline V2 (#512)

Source-Author: Takashi Matsuo <f7c23db50f898cb58348f8ccc2931585dc97581a@google.com>
Source-Date: Fri Oct 2 12:13:27 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 0c868d49b8e05bc1f299bc773df9eb4ef9ed96e9
Source-Link: https://github.com/googleapis/synthtool/commit/0c868d49b8e05bc1f299bc773df9eb4ef9ed96e9
googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node