title: google play services not up to date
body: <p>I am attempting to integrate google admob in my android studio app.  I get the following messages in my log (I apologize for the formatting and would greatly appreciate any assistance):</p>
  
  <pre><code>05-30 01:23:47.389 19555-19555/com.example.livingstonlabs.whatsbest I/Ads: Starting ad request.
  05-30 01:23:47.430 19555-25051/com.example.livingstonlabs.whatsbest W/GooglePlayServicesUtil: Google Play services out of date.  Requires 9080000 but found 8489470
  05-30 01:23:47.430 19555-25051/com.example.livingstonlabs.whatsbest W/Ads: Failed to connect to remote ad request service.
  05-30 01:23:47.430 19555-25051/com.example.livingstonlabs.whatsbest W/Ads: Could not start the ad request service.
  05-30 01:23:47.505 19555-19555/com.example.livingstonlabs.whatsbest W/GooglePlayServicesUtil: Google Play services out of date.  Requires 9080000 but found 8489470
  </code></pre>
  
  <p>I am assuming my google play services are for some reason out of date but I cannot see why that would be. I ave "apply plugin: 'com.google.gms.google-services'" at the end. </p>
  
  <p><strong>build.gradle(project)</strong></p>
  
  <pre><code>buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:2.1.0'
          classpath 'com.google.gms:google-services:3.0.0'
  
  
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          jcenter()
      }
  }
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  
  
  apply plugin: 'com.android.application'
  </code></pre>
  
  <p>****build.gradle(Module:app)****</p>
  
  <pre><code>android {
      compileSdkVersion 23
      buildToolsVersion "23.0.3"
  
      defaultConfig {
          applicationId "com.example.livingstonlabs.whatsbest"
          minSdkVersion 16
          targetSdkVersion 23
          versionCode 1
          versionName "1.0"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.4.0'
      compile 'com.google.firebase:firebase-core:9.0.0'
      compile 'com.google.firebase:firebase-database:9.0.0'
      compile 'com.google.firebase:firebase-ads:9.0.0'
      compile 'com.google.android.gms:play-services:9.0.0'
  
  
  }
  apply plugin: 'com.google.gms.google-services'
  </code></pre>