Rewrite collect results script in Java

Author: bric3

.gitlab/TagSyntheticFailures.java

@@ -0,0 +1,14 @@
+import java.nio.file.Path;
+import java.util.List;
+
+class CollectResults {
+  public static void main(String[] args) throws Exception {
+    var collector =
+        new ResultCollector(
+            Path.of("results"),
+            Path.of("workspace"),
+            List.of(Path.of("workspace"), Path.of("buildSrc")));
+
+    collector.collect();
+  }
+}