Google Play 7.5 services automatically add the required permissions - when used com.google.android.gms:play-services- it says that you use every part of the Google Play services, potentially adding more permissions than you planned.
You may need to selectively compile only the required Google Play APIs.
Here is a link to shared libraries, and here is the list that was at the time of writing:
Google + com.google.android.gms:play-services-plus:7.5.0
Sign in to your Google Account com.google.android.gms:play-services-identity:7.5.0
Google Actions Base Client Library com.google.android.gms:play-services-base:7.5.0
Google app indexing com.google.android.gms:play-services-appindexing:7.5.0
Google App com.google.android.gms:play-services-appinvite:7.5.0
Google analytics com.google.android.gms:play-services-analytics:7.5.0
Google cast com.google.android.gms:play-services-cast:7.5.0
Google Cloud Messaging com.google.android.gms:play-services-gcm:7.5.0
Google drive com.google.android.gms:play-services-drive:7.5.0
Google fit com.google.android.gms:play-services-fitness:7.5.0
Google location, activity and location recognition com.google.android.gms:play-
services-location:7.5.0
Google maps com.google.android.gms:play-services-maps:7.5.0
Google Mobile Ads com.google.android.gms:play-services-ads:7.5.0
Google nearby com.google.android.gms:play-services-nearby:7.5.0
Google panorama viewer com.google.android.gms:play-services-panorama:7.5.0
Google Play Game com.google.android.gms:play-services-games:7.5.0
SafetyNet com.google.android.gms:play-services-safetynet:7.5.0
Google com.google.android.gms:play-services-wallet:7.5.0
Android Wear com.google.android.gms:play-services-wearable:7.5.0