gradle update

example-redux/android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.1'
+        classpath 'com.android.tools.build:gradle:2.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

example-redux/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Tue Aug 16 15:10:42 IDT 2016
+#Sun Aug 28 15:34:43 IDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME