Set "centralized_status_bar_dimens_refactor" as bug fix flag

Bug: 317199366
Test: N/A
Flag: ACONFIG centralized_status_bar_dimens_refactor DISABLED
Change-Id: I48b25d9d21939a44780f44b87742d9fbe1522729
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 6f34f05..2c285c8 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -301,6 +301,9 @@
         " central place, instead of reading resources directly. This is to take into account display"
         " cutouts and other special cases. "
    bug: "317199366"
+   metadata {
+        purpose: PURPOSE_BUGFIX
+   }
 }
 
 flag {