Add YouTubeDeveloper_processor_gen_deploy.jar_desugared.jar to third-party

Change-Id: Id255443022da14afb6e0d3339cc1c4d136eb53b8
diff --git a/.gitignore b/.gitignore
index 76604f8..2b1d423 100644
--- a/.gitignore
+++ b/.gitignore
@@ -144,6 +144,8 @@
 third_party/sample_libraries
 third_party/sample_libraries.tar.gz
 third_party/youtube/*
+third_party/youtube-developer/20200415
+third_party/youtube-developer/20200415.tar.gz
 tmp/
 tools/*.pyc
 tools/*/art