media: Extend Media.VAVDA.VaapiWrapperCreationSuccess

This CL extends the histogram Media.VAVDA.VaapiWrapperCreationSuccess
to "2021-08-05", just like its sibling
Media.VaapiVideoDecoder.VaapiWrapperCreationSuccess.

I took the chance to clean up the owners/cc list.

Bug: 1125689
Change-Id: I9a459ac4dcf5480aa60bc08cf0c25ce2b968a087
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2401511
Commit-Queue: Miguel Casas <mcasas@chromium.org>
Commit-Queue: Stephen Chenney <schenney@chromium.org>
Auto-Submit: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805482}

tools/metrics/histograms/histograms.xml

@@ -83682,7 +83682,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 <histogram name="Media.VaapiVideoDecoder.VaapiWrapperCreationSuccess"
     enum="BooleanSuccess" expires_after="2021-08-05">
   <owner>mcasas@chromium.org</owner>
-  <owner>chromeos-gfx@chromium.org</owner>
+  <owner>chromeos-gfx-video@google.com</owner>
   <summary>
     Whether the creation of VaapiWrapper succeeded or not inside
     VaapiVideoDecoder.
@@ -83800,10 +83800,9 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Media.VAVDA.VaapiWrapperCreationSuccess" enum="BooleanSuccess"
-    expires_after="M87">
+    expires_after="2021-08-05">
   <owner>mcasas@chromium.org</owner>
-  <owner>acourbot@chromium.org</owner>
-  <owner>chromeos-gfx@chromium.org</owner>
+  <owner>chromeos-gfx-video@google.com</owner>
   <summary>
     Whether the creation of VaapiWrapper succeeded or not inside VaVDA.
   </summary>