Add Cryptohome.InvalidateDirCryptoKeyResult to UMA

Add an UMA report to see the result of InvalidateDirCryptoKey operation.
And the CL which adding code to log the metric is crrev.com/c/2400158

BUG=chromium:1116109

Cq-Depend: chromium:2400158
Change-Id: Iab3cac61fd9341e1ad3536f4b0dca823dea30ebf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2432167Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Commit-Queue: joe Chou <yich@google.com>
Cr-Commit-Position: refs/heads/master@{#811609}

tools/metrics/histograms/histograms_xml/cryptohome/histograms.xml

@@ -266,6 +266,16 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
   </summary>
 </histogram>
 
+<histogram name="Cryptohome.InvalidateDirCryptoKeyResult" enum="BooleanSuccess"
+    expires_after="2021-09-26">
+  <owner>yich@google.com</owner>
+  <owner>cros-hwsec+uma@chromium.org</owner>
+  <summary>
+    The errors resulting from interacting with the InvalidateDirCryptoKey
+    operation.
+  </summary>
+</histogram>
+
 <histogram base="true" name="Cryptohome.LECredential"
     enum="CryptohomeLECredError" expires_after="2021-02-28">
 <!-- Name completed by histogram_suffixes name="LECredentialOps" -->