build(cordova): simplify build, use cordova in a more standard way

util/hooks/android/prohibit-cloud-backups-in-android-manifest.js

@@ -0,0 +1,18 @@
+module.exports = function(ctx) {
+  var fs = ctx.requireCordovaModule('fs'),
+    path = ctx.requireCordovaModule('path'),
+    xml = ctx.requireCordovaModule('cordova-common').xmlHelpers;
+
+  var manifestPath = path.join(ctx.opts.projectRoot, '/platforms/android/AndroidManifest.xml');
+  var doc = xml.parseElementtreeSync(manifestPath);
+  if (doc.getroot().tag !== 'manifest') {
+    throw new Error(manifestPath + ' has incorrect root node name (expected "manifest")');
+  }
+
+  doc.getroot().find('./application').attrib['android:allowBackup'] = "false";
+
+  //write the manifest file
+  fs.writeFileSync(manifestPath, doc.write({
+    indent: 4
+  }), 'utf-8');
+};