styles.xml: xmlns:android="http://schemas.android.com/tools"

[Sicness]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Update dependencies in build.gradle up to the latest versions.
2. Copy/paste code of suggested stlyles.xml in the course into Android Studio
3. Get the error Unexpected namespace URI bound to the "android" prefix, was http://schemas.android.com/tools, expected http://schemas.android.com/apk/res/android

Expected behavior
No errors

Codelab details (please complete the following information about the codelab):

• Level MDC-103
• Language (Java)
• Link to the codelab at the step with the issue:

• https://codelabs.developers.google.com/codelabs/mdc-103-java#3
• https://codelabs.developers.google.com/codelabs/mdc-103-java#2

Additional context
Use xmlns:tools="http://schemas.android.com/tools" instead of xmlns:android="http://schemas.android.com/tools"