Update recipe to actually fetch and build changes

Currently, we only test the bootstrap.

Change-Id: I63c0aaf3f5c7f8b0abe52d480517515844b332ef
Reviewed-on: https://gn-review.googlesource.com/1260
Reviewed-by: Scott Graham <scottmg@chromium.org>
Commit-Queue: Petr Hosek <phosek@google.com>

.gitignore

diff --git a/.gitignore b/.gitignore
index ae30641..4c20aff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,6 +42,7 @@
 .metadata
 .project
 .pydevproject
+.recipe_deps
 .checkstyle
 cscope.*
 out/
@@ -54,7 +55,6 @@
 Thumbs.db
 # Settings directories for eclipse
 /.externalToolBuilders/
-/.recipe_deps/
 /.settings/
 /.vs/
 # Visual Studio Code