Update histogram expiries

Bug: 988673
Change-Id: Ib42f894182ff78fe48f9c10eb874e3da78f60ea4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1726654
Commit-Queue: Anastasia Helfinstein <anastasi@google.com>
Commit-Queue: Brian White <bcwhite@chromium.org>
Auto-Submit: Anastasia Helfinstein <anastasi@google.com>
Reviewed-by: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682484}
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index b565018..77b5d0f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -143,7 +143,7 @@
 </histogram>
 
 <histogram name="Accessibility.CrosChromeVoxAfterSwitchAccess"
-    enum="BooleanEnabled" expires_after="M80">
+    enum="BooleanEnabled" expires_after="M85">
   <owner>anastasi@google.com</owner>
   <owner>dtseng@chromium.org</owner>
   <summary>
@@ -334,7 +334,7 @@
 </histogram>
 
 <histogram name="Accessibility.CrosSwitchAccessAfterChromeVox"
-    enum="BooleanEnabled" expires_after="M80">
+    enum="BooleanEnabled" expires_after="M85">
   <owner>anastasi@google.com</owner>
   <owner>dtseng@chromium.org</owner>
   <summary>