Merge generated Android Gradle 3.3.2 update

Merge commit 'refs/pull/102/head' of https://github.com/frostney/react-native-create-library into dev

Updates the Android Gradle version to 3.3.2 in generated android/build.gradle to match
https://github.com/facebook/react-native/blob/0.59-stable/template/android/build.gradle

as proposed in frostney/react-native-create-library#102

Author: Christopher J. Brody

templates/android.js

@@ -9,7 +9,7 @@ module.exports = platform => [{
     dependencies {
         // Matches the RN Hello World template
         // https://github.com/facebook/react-native/blob/1e8f3b11027fe0a7514b4fc97d0798d3c64bc895/local-cli/templates/HelloWorld/android/build.gradle#L8
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.3.2'
     }
 }