Update enums.xml to include new values of CrostiniInstallerView::SetupResult

This should have been done during
https://chromium-review.googlesource.com/c/chromium/src/+/1331094, but
better late then never.

Bug: 703927
Change-Id: I851619d196968b3697ec56c97b3e24fcb15fb58e
Reviewed-on: https://chromium-review.googlesource.com/c/1338819Reviewed-by: Nicholas Verne <nverne@chromium.org>
Commit-Queue: Fergus Dall <sidereal@google.com>
Cr-Commit-Position: refs/heads/master@{#608674}

tools/metrics/histograms/enums.xml

@@ -9343,6 +9343,17 @@ Called by update_net_error_codes.py.-->
   <int value="8" label="Error Offline"/>
   <int value="9" label="Error Fetching Ssh Keys"/>
   <int value="10" label="Error Mounting Container"/>
+  <int value="11" label="Error Setting Up Container"/>
+  <int value="12" label="User Cancelled At Start"/>
+  <int value="13" label="User Cancelled While Installing Image Loader"/>
+  <int value="14" label="User Cancelled While Starting Concierge"/>
+  <int value="15" label="User Cancelled While Creating Disk Image"/>
+  <int value="16" label="User Cancelled While Starting Termina VM"/>
+  <int value="17" label="User Cancelled While Creating Container"/>
+  <int value="18" label="User Cancelled While Starting Container"/>
+  <int value="19" label="User Cancelled While Setting Up Container"/>
+  <int value="20" label="User Cancelled While Fetching SSH Keys"/>
+  <int value="21" label="User Cancelled While Mounting Container"/>
 </enum>
 
 <enum name="CrostiniUISurface">