update Android build steps

documents/resources/android-build.md

@@ -114,17 +114,19 @@ Clone the lbryio/lbry-android git repository:
 git clone https://github.com/lbryio/lbry-android
 cd lbry-android
 cp buildozer.spec.sample buildozer.spec
+cp p4a/pythonforandroid/bootstraps/lbry/templates/google-services.sample.json p4a/pythonforandroid/bootstraps/lbry/templates/google-services.json
 ```
 
 The provided `buildozer.spec.sample` contains defaults provided you followed the environment setup exactly as described. If you altered the steps for your environment or you're encountering build trouble, check `buildozer.spec` to ensure everything is pointing in the right places.
 
 ##### 3. Install npm packages
 
-Install the npm packages required for the app's React Native code:
+Install the npm packages required for the app's React Native code, and create the app bundle:
 
 ```
 cd app
 npm install
+./bundle.sh
 cd ..
 ```