[ENR] Ensure ENR views visibilities

This CL ensures public and private layouts of enr are not visible at the same time.

Bug: 361552380
Test: Presubmit
Flag: com.android.systemui.ensure_enr_views_visibility
Change-Id: Ic4dafffbc8933d717dbbf9884dc420523ba2c8e2
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 426b24d..0b18110 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1557,3 +1557,13 @@
     description: "Enables the tile detailed view UI."
     bug: "374173773"
 }
+
+flag {
+  name: "ensure_enr_views_visibility"
+  namespace: "systemui"
+  description: "Ensures public and private visibilities"
+  bug: "361552380"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}
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