Update project and dependencies

build.gradle

@@ -5,9 +5,9 @@ buildscript {
         maven { url 'https://maven.fabric.io/public' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
-        classpath 'com.google.gms:google-services:3.2.1'
-        classpath 'io.fabric.tools:gradle:1.25.1'
+        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.google.gms:google-services:4.0.2'
+        classpath 'io.fabric.tools:gradle:1.25.4'
     }
 }
 
@@ -15,6 +15,5 @@ allprojects {
     repositories {
         google()
         jcenter()
-        maven { url 'https://maven.fabric.io/public' }
     }
 }