Feedv2: client_info.proto CLANK=3

The server now supports the correct value
of AppType.

Bug: 1044139, b/161836372
Change-Id: I61736c827a02e3079a7fe781f9bfda8ded4115af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2317000
Auto-Submit: Dan H <harringtond@chromium.org>
Commit-Queue: Ian Wells <iwells@chromium.org>
Reviewed-by: Ian Wells <iwells@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791373}

components/feed/core/proto/v2/wire/client_info.proto

@@ -21,9 +21,7 @@ message ClientInfo {
     IOS = 2;
   }
 
-  // TODO(harringtond): This should be CLANK = 3, but the server isn't yet
-  // updated to support it.
-  enum AppType { CLANK = 2; }
+  enum AppType { CLANK = 3; }
 
   // The type of OS that the client is running.
   optional PlatformType platform_type = 1;