Update expiry of Fingerprint.Auth.ScanResult histogram

Bug: 221905673
Change-Id: Ibfa833f31a3a3b9716add64e911a4bfd7f0de01e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3497428
Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Elie Maamari <emaamari@google.com>
Cr-Commit-Position: refs/heads/main@{#977051}

tools/metrics/histograms/metadata/fingerprint/histograms.xml

@@ -36,7 +36,7 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="Fingerprint.Auth.ScanResult" enum="FingerprintScanResult"
-    expires_after="2022-04-10">
+    expires_after="2022-10-10">
   <owner>emaamari@google.com</owner>
   <owner>tomhughes@chromium.org</owner>
   <owner>cros-lurs@google.com</owner>