Bug 1378146 - Extend printing Telemetry probes. r=Gijs,liuche, data-review=liuche

MozReview-Commit-ID: 2eeebPRhiG0

--HG--
extra : rebase_source : 85e7daaeca7f337f61eeb7f8c991178503e6838e

toolkit/components/telemetry/Histograms.json

@@ -8317,7 +8317,7 @@
     "record_in_processes": ["main", "content"],
     "alert_emails": ["carnold@mozilla.org"],
     "bug_numbers": [1275570],
-    "expires_in_version": "56",
+    "expires_in_version": "60",
     "kind": "count",
     "releaseChannelCollection": "opt-out",
     "description": "A counter incremented every time the browser enters print preview."
@@ -8326,7 +8326,7 @@
     "record_in_processes": ["main", "content"],
     "alert_emails": ["carnold@mozilla.org"],
     "bug_numbers": [1275570],
-    "expires_in_version": "56",
+    "expires_in_version": "60",
     "kind": "count",
     "releaseChannelCollection": "opt-out",
     "description": "A counter incremented every time the browser enters simplified mode on print preview."
@@ -8335,7 +8335,7 @@
     "record_in_processes": ["main", "content"],
      "alert_emails": ["carnold@mozilla.org"],
      "bug_numbers": [1287587],
-     "expires_in_version": "56",
+     "expires_in_version": "60",
      "kind": "count",
      "releaseChannelCollection": "opt-out",
      "description": "A counter incremented every time the simplified mode is unavailable on print preview."
@@ -8344,7 +8344,7 @@
     "record_in_processes": ["main", "content"],
     "alert_emails": ["carnold@mozilla.org"],
     "bug_numbers": [1306624],
-    "expires_in_version": "56",
+    "expires_in_version": "60",
     "kind": "count",
     "keyed": true,
     "releaseChannelCollection": "opt-out",
@@ -8354,7 +8354,7 @@
     "record_in_processes": ["main", "content"],
      "alert_emails": ["carnold@mozilla.org"],
      "bug_numbers": [1287587],
-     "expires_in_version": "56",
+     "expires_in_version": "60",
      "kind": "count",
      "keyed": true,
      "releaseChannelCollection": "opt-out",