Add Power Brick to PartnerTypeMetric enum

Enum added in crrev.com/c/3805834.

Bug: b/239448719
Change-Id: Ia3dbfb68a0ef71ee07235f17ba3751b32382e9f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3806403
Reviewed-by: Caitlin Fischer <caitlinfischer@google.com>
Commit-Queue: Won Chung <wonchung@google.com>
Cr-Commit-Position: refs/heads/main@{#1031961}
diff --git a/tools/metrics/histograms/enums.xml b/tools/metrics/histograms/enums.xml
index 5894ed8..c534046 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -74589,6 +74589,7 @@
   <int value="14" label="PD Sink"/>
   <int value="15" label="PD Sinking Host"/>
   <int value="16" label="Non-PD Sink"/>
+  <int value="17" label="Power Brick"/>
 </enum>
 
 <enum name="PassiveForcedListenerResultType">