Add tivi to run_on_app_dumps

Contents of README.google:
Name: Tivi
URL: https://github.com/chrisbanes/tivi
Version: NA
Revision: 8e2ddd8fe2d343264a66aa1ef8acbd4cc587e8ce
Date: Nov 8, 2020
License: Apache License 2.0

Bug: 152155164
Change-Id: I134dafad27944e94a34f7937226009800c2dfa81
diff --git a/.gitignore b/.gitignore
index cdbd7d9..e20a9ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -168,6 +168,8 @@
 third_party/opensource-apps/sunflower.tar.gz
 third_party/opensource-apps/tachiyomi
 third_party/opensource-apps/tachiyomi.tar.gz
+third_party/opensource-apps/tivi
+third_party/opensource-apps/tivi.tar.gz
 third_party/opensource-apps/tusky
 third_party/opensource-apps/tusky.tar.gz
 third_party/opensource-apps/wikipedia