8302879: doc/building.md update link to jtreg builds

Backport-of: bb3dfd6adbb58871bc7238107ed254831b22d48b

Author: gdams

doc/building.html

@@ -1087,7 +1087,7 @@ <h2 id="running-tests">Running Tests</h2>
 etc.</p>
 <p>The <a href="https://wiki.openjdk.org/display/Adoption">Adoption
 Group</a> provides recent builds of jtreg <a
-href="https://ci.adoptopenjdk.net/view/Dependencies/job/dependency_pipeline/lastSuccessfulBuild/artifact/jtreg/">here</a>.
+href="https://ci.adoptium.net/view/Dependencies/job/dependency_pipeline/lastSuccessfulBuild/artifact/jtreg/">here</a>.
 Download the latest <code>.tar.gz</code> file, unpack it, and point
 <code>--with-jtreg</code> to the <code>jtreg</code> directory that you
 just unpacked.</p>

doc/building.md

@@ -860,7 +860,7 @@ containing `lib/jtreg.jar` etc.
 
 The [Adoption Group](https://wiki.openjdk.org/display/Adoption) provides
 recent builds of jtreg [here](
-https://ci.adoptopenjdk.net/view/Dependencies/job/dependency_pipeline/lastSuccessfulBuild/artifact/jtreg/).
+https://ci.adoptium.net/view/Dependencies/job/dependency_pipeline/lastSuccessfulBuild/artifact/jtreg/).
 Download the latest `.tar.gz` file, unpack it, and point `--with-jtreg` to the
 `jtreg` directory that you just unpacked.