Upgrade gradle-plugins version to v3.1.0

arms/build.gradle

@@ -118,7 +118,7 @@ dependencies {
 
     //test
     api rootProject.ext.dependencies["timber"]
-    testApi rootProject.ext.dependencies["junit"]
+    testImplementation rootProject.ext.dependencies["junit"]
 }
 
 

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
         //Gradle Android Maven plugin
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
         //Gradle Bintray Plugin

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip