升级到Google Play Services 7+后无法导入com.google.android.gms.analytics

My application currently uses Google Play Services version 6.5.87. When I tried to upgrade to the latest version (7+), I get compiler errors trying to import com.google.android.gms.analytics. I cannot find any evidence that this library has been deprecated or does not work with the latest google play. Can anyone shed some light on this?My application currently uses Google Play Servi