Add the new YouTube dependency to the build file

And update .gitignore.

R=ager@google.com

Change-Id: I2277d69365a8de9a55c2acf8cf8f86ea112b54a2
diff --git a/build.gradle b/build.gradle
index f11c7ae..40a9ef2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -154,9 +154,9 @@
         "gmscore/gmscore_v10.tar.gz",
         "gmscore/latest.tar.gz",
         "photos/2017-06-06.tar.gz",
-        "youtube/youtube.android_11.47.tar.gz",
         "youtube/youtube.android_12.10.tar.gz",
         "youtube/youtube.android_12.17.tar.gz",
+        "youtube/youtube.android_12.22.tar.gz",
         "proguardsettings.tar.gz",
     ],
 ]