Revert "Upgrade python/google-api-python-client to v1.8.1" am: 31456956be am: 24bd0d3e0d am: f67aafdbb0 am: 5f99e4b376 am: 59c3e3034c

Change-Id: Ia78ada28ab607f5324ede6121f87d6b8b45740ba