Add tachiyomi to run_on_app_dumps

Contents of README.google:
Name: Tachiyomi
URL: https://github.com/inorichi/tachiyomi
Version: NA
Revision: 8aa6486bf76ab9a61a5494bee284b1a5e9180bf3
Date: Nov 4, 2020
License: Apache License 2.0

Bug: 152155164
Change-Id: I2e780a345acae24d7685f1916a7b15a3c8e01410
diff --git a/.gitignore b/.gitignore
index aa41f2a..15f0d75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -166,6 +166,8 @@
 third_party/opensource-apps/sqldelight.tar.gz
 third_party/opensource-apps/sunflower
 third_party/opensource-apps/sunflower.tar.gz
+third_party/opensource-apps/tachiyomi
+third_party/opensource-apps/tachiyomi.tar.gz
 third_party/opensource-apps/wikipedia
 third_party/opensource-apps/wikipedia.tar.gz
 third_party/opensource_apps