Add metrics constant for platform compat UI.

Bug: 138280620
Test: builds
Merged-In: I1a1a708596ad003a7c95906fe9514db6ec518dfc
Change-Id: I1a1a708596ad003a7c95906fe9514db6ec518dfc
diff --git a/core/proto/android/app/settings_enums.proto b/core/proto/android/app/settings_enums.proto
index c023438..6bf4c43 100644
--- a/core/proto/android/app/settings_enums.proto
+++ b/core/proto/android/app/settings_enums.proto
@@ -2401,4 +2401,11 @@
     // OS: Q
     // Note: Gear icon is shown next to gesture navigation preference and opens sensitivity dialog
     SETTINGS_GESTURE_NAV_BACK_SENSITIVITY_DLG = 1748;
+
+    // ---- End Q Constants, all Q constants go above this line ----
+
+    // OPEN: Settings > Developer Options > Platform Compat
+    // CATEGORY: SETTINGS
+    // OS: R
+    SETTINGS_PLATFORM_COMPAT_DASHBOARD = 1805;
 }