Add wikipedia to run_on_app_dumps

Contents of README.google:
Name: Wikipedia
URL: https://github.com/wikimedia/apps-android-wikipedia
Version: NA
Revision: 0fa7cad843c66313be8e25790ef084cf1a1fa67e
Date: Nov 4, 2020
License: Apache License 2.0

Bug: 152155164
Change-Id: Ibf8448ee1a40cac68fba1a006cf0c59e2f2e6f94

third_party/opensource-apps/wikipedia.tar.gz.sha1

diff --git a/third_party/opensource-apps/wikipedia.tar.gz.sha1 b/third_party/opensource-apps/wikipedia.tar.gz.sha1
new file mode 100644
index 0000000..bfb14cb
--- /dev/null
+++ b/third_party/opensource-apps/wikipedia.tar.gz.sha1
@@ -0,0 +1 @@
+0e7d8398779c2dfa449c598556f4e57a860aa9e4
\ No newline at end of file