android - Google Play services Adds up additional process and causes additional memory consumption -

i using google gcm in app , working fine , problem adds additional process (see screenpic shows 2 process) , named google play services (com.google.android.gms) consumes 20mb adds app usage 28mb

issue screenshot of app settings view

note: not using android:process anywhere in androidmanifest.xml

even after closing app still shows 1 service , 2 process

where come additional process ? tested in multiple devices (kitkat,lollipop)

   <receiver android:name=".gcm.services.simple.gcmbroadcastreceiver"  android:permission="com.google.android.c2dm.permission.send"    android:exported="true">         <intent-filter>             <action android:name="com.google.android.c2dm.intent.receive" />             <action android:name="android.net.conn.connectivity_change" />             <action android:name="android.intent.action.boot_completed" />             <action android:name="android.intent.action.my_package_replaced" />             <action android:name="android.intent.action.quickboot_poweron" />             <category android:name="com.tempapp" />         </intent-filter>     </receiver>     <service android:name=".gcm.services.simple.gcmintentservice" />     <service android:name=".gcm.services.listeners.instanceidlistener" android:exported="false">         <intent-filter>             <action android:name="com.google.android.gms.iid.instanceid" />         </intent-filter>     </service> 

gradle:

module level

  compile 'com.google.android.gms:play-services-appindexing:8.4.0'   compile 'com.google.android.gms:play-services-gcm:8.4.0' 

project level

classpath 'com.android.tools.build:gradle:2.1.0-alpha4' classpath 'com.google.gms:google-services:2.0.0-alpha6' 

your app not 1 using google play services on phone. more half of apps out there use gps , 1 of them. don't think worry about.