Update pins of 'googleapis-common-protos. (#8688)

tseaver · web-flow · commit 13eea096b157 · 2019-07-17T14:46:56.000-04:00
Toward #8686.
diff --git a/setup.py b/setup.py
@@ -29,7 +29,7 @@
 # 'Development Status :: 5 - Production/Stable'
 release_status = "Development Status :: 5 - Production/Stable"
 dependencies = [
-    "googleapis-common-protos >= 1.5.3, != 1.5.4, < 2.0dev",
+    "googleapis-common-protos >= 1.6.0, < 2.0dev",
     "protobuf >= 3.4.0",
     "google-auth >= 0.4.0, < 2.0dev",
     "requests >= 2.18.0, < 3.0.0dev",
