chore(build): upgrade build tooling version to latest

Author: simpleton

app/build.gradle

@@ -30,7 +30,7 @@ dependencies {
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "26.0.2"
+    buildToolsVersion '27.0.3'
 
     signingConfigs {
         release {

build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
     dependencies {
         if (project.hasProperty('GRADLE_3') && GRADLE_3.equalsIgnoreCase('TRUE')) {
-            classpath 'com.android.tools.build:gradle:3.0.1'
+            classpath 'com.android.tools.build:gradle:3.1.3'
         } else {
             classpath 'com.android.tools.build:gradle:2.3.3'
         }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Dec 28 10:00:20 PST 2015
+#Mon Aug 06 11:46:41 PDT 2018
 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