Get Data from the Internet - res/drawable/loading_animation.xml appears to be missing from Starter branch and others

**URL of codelab:**
https://developer.android.com/codelabs/basic-android-kotlin-compose-getting-data-internet#6

**In which task and step of the codelab can this issue be found?**
7

**Describe the problem**
I can't find the res/drawable/loading_animation.xml file specified in the Github repo. Only the loading_img.xml file.
