Here is what's New in this update :
Many apps will stop working without Google Play services. So you should keep it updated this app to keep all app working fine.
– Improvements in Maps API v2 for Android Wear
– Improvements in Wear API, including Channel API for bidirectional data transfer between devices
– Improvements in Fit API, including new API for reading aggregated daily totals
– Improvements in Location API, including parameter for setting max wait time
– Places API improvements, including ability to retrieve attributions
You can download Google Play Services v9.0.83 by clicking below.
Google Play Services v9.0.83