[ntp][modules] Extend histograms

Specifically, this CL extends:
* NewTabPage.ShoppingTasks.ProductDownloadCount
* NewTabPage.RecipeTasks.RecipeDownloadCount
* NewTabPage.RecipeTasks.RelatedSearchDownloadCount

Fixed: 1167846, 1167845
Change-Id: I38641726241e1522ffd04f6cc6efaf93fce49167
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2638937
Auto-Submit: Tibor Goldschwendt <tiborg@chromium.org>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845161}

tools/metrics/histograms/histograms_xml/new_tab_page/histograms.xml

@@ -1085,7 +1085,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="NewTabPage.RecipeTasks.RecipeDownloadCount" units="recipes"
-    expires_after="2021-03-01">
+    expires_after="2022-01-01">
   <owner>tiborg@chromium.org</owner>
   <owner>yyushkina@chromium.org</owner>
   <owner>chrome-desktop-ntp@google.com</owner>
@@ -1109,7 +1109,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="NewTabPage.RecipeTasks.RelatedSearchDownloadCount"
-    units="count" expires_after="2021-03-01">
+    units="count" expires_after="2022-01-01">
   <owner>tiborg@chromium.org</owner>
   <owner>yyushkina@chromium.org</owner>
   <owner>chrome-desktop-ntp@google.com</owner>
@@ -1266,7 +1266,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="NewTabPage.ShoppingTasks.ProductDownloadCount"
-    units="products" expires_after="2021-03-01">
+    units="products" expires_after="2022-01-01">
   <owner>tiborg@chromium.org</owner>
   <owner>yyushkina@chromium.org</owner>
   <owner>chrome-desktop-ntp@google.com</owner>