Better indentation when adding GCP libraries to pom.xml

[elharo]

    <dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-1.0-sdk</artifactId>
<version>1.9.71</version>
</dependency>
<dependency>
<groupId>com.google.cloud</groupId>
<artifactId>google-cloud-speech</artifactId>
</dependency>
<dependency>
<groupId>com.googlecode.objectify</groupId>
<artifactId>objectify</artifactId>
<version>5.1.22</version>
</dependency>

We could add extra whitespace ourselves or just run a formatter on the lines after the transform.

[lak-proddev]

lak-proddev@e59d265 is depended on pull request #3479 Once, it's merged I will rebase and create the pull request.