Add eclipse-out to .gitignore

Change-Id: I7c7293d231c071dcf57a067db80180197aa95ae2
diff --git a/.gitignore b/.gitignore
index 0868480..72f041f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /.project
 /.settings/
 /bazel-*
+/eclipse-out/