Update project files

build.gradle

@@ -3,8 +3,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-        classpath 'com.google.gms:google-services:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.google.gms:google-services:3.1.1'
     }
 }