Update library to GA [(#1523)](GoogleCloudPlatform/python-docs-samples#1523)

nnegrey · busunkim96 · commit 39d814864275 · 2020-05-20T09:37:34.000-07:00
diff --git a/packages/google-cloud-texttospeech/samples/requirements.txt b/packages/google-cloud-texttospeech/samples/requirements.txt
@@ -1 +1 @@
-google-cloud-texttospeech==0.1.0
+google-cloud-texttospeech==0.2.0
