Ignore up-to-date documentation test

This is failing due to uses of reflection that are no longer valid.
Disable the test until the reflective use is replaced.

Bug: b/326030080
Change-Id: I6d6eeddd6b58179a1b1c11a9b45301f46b7f9fc7
diff --git a/src/test/java/com/android/tools/r8/keepanno/utils/KeepItemGeneratedFilesTest.java b/src/test/java/com/android/tools/r8/keepanno/utils/KeepItemGeneratedFilesTest.java
index 28f1c57..99e7645 100644
--- a/src/test/java/com/android/tools/r8/keepanno/utils/KeepItemGeneratedFilesTest.java
+++ b/src/test/java/com/android/tools/r8/keepanno/utils/KeepItemGeneratedFilesTest.java
@@ -10,10 +10,12 @@
 import com.android.tools.r8.utils.FileUtils;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import org.junit.Ignore;
 import org.junit.Test;
 
 public class KeepItemGeneratedFilesTest {
 
+  @Ignore
   @Test
   public void checkUpToDate() throws IOException {
     Generator.run(