feat: add common resource helper paths; expose client transport (#49)
feat: add common resource helper paths; expose client transport (#49)

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* chore(py-library): enable snippet-bot

Co-authored-by: Benjamin E. Coe <69440dae14aaa9fe2429b324bfce03449d09e1db@google.com>

Source-Author: Takashi Matsuo <f7c23db50f898cb58348f8ccc2931585dc97581a@google.com>
Source-Date: Tue Sep 1 17:14:08 2020 +0000
Source-Repo: googleapis/synthtool
Source-Sha: d91dd8aac77f7a9c5506c238038a26fa4f9e361e
Source-Link: https://github.com/googleapis/synthtool/commit/d91dd8aac77f7a9c5506c238038a26fa4f9e361e

* chore: manual regen

Co-authored-by: Bu Sun Kim <72f69c64889c855a82e29a58e22f084dcec77650@google.com>
Co-authored-by: Bu Sun Kim <e20aa14702d7e04a52a901b5515eeecef97a5b5f@users.noreply.github.com>
GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples