Add compiled jar of annotation-file-utilities.

Sourced from official release:
https://checkerframework.org/annotation-file-utilities/annotation-tools-3.6.45.zip
diff --git a/.gitignore b/.gitignore
index 41aa7a1..aeb94e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,7 +16,7 @@
 annotation-file-utilities/annotation-file-format.pdf
 annotation-file-utilities/annotation-file-format.ps
 annotation-file-utilities/annotation-file-format.toc
-annotation-file-utilities/annotation-file-utilities.jar
+#annotation-file-utilities/annotation-file-utilities.jar
 annotation-file-utilities/annotation-tools.zip
 annotation-file-utilities/design.aux
 annotation-file-utilities/design.log
diff --git a/annotation-file-utilities/annotation-file-utilities.jar b/annotation-file-utilities/annotation-file-utilities.jar
new file mode 100644
index 0000000..8d1e8f0
--- /dev/null
+++ b/annotation-file-utilities/annotation-file-utilities.jar
Binary files differ