Define locale recommendation metrics

Bug: 275306065
Test: N/A
Change-Id: If50eee6fdfe5f3dbfec10d0e17e7f14c90a4c2da
diff --git a/stats/enums/app/settings_enums.proto b/stats/enums/app/settings_enums.proto
index 4d1349b..4a35ce5 100644
--- a/stats/enums/app/settings_enums.proto
+++ b/stats/enums/app/settings_enums.proto
@@ -1514,6 +1514,31 @@
     // CATEGORY: SETTINGS
     // OS: V
     ACTION_PRIVATE_SPACE_SETUP_ACCOUNT_LOGIN_START = 1894;
+
+    // ACTION: Pop up the language notification recommendation
+    // CATEGORY: SETTINGS
+    // OS: V
+    ACTION_NOTIFICATION_FOR_SYSTEM_LOCALE = 1895;
+
+    // ACTION: Click the language notification recommendation
+    // CATEGORY: SETTINGS
+    // OS: V
+    ACTION_NOTIFICATION_CLICK_FOR_SYSTEM_LOCALE = 1896;
+
+    // ACTION: Swipe out the language notification recommendation
+    // CATEGORY: SETTINGS
+    // OS: V
+    ACTION_NOTIFICATION_SWIPE_FOR_SYSTEM_LOCALE = 1897;
+
+    // ACTION: Add the recommendation locale
+    // CATEGORY: SETTINGS
+    // OS: V
+    ACTION_ADD_SYSTEM_LOCALE_FROM_RECOMMENDATION = 1898;
+
+    // ACTION: Cancel the recommendation locale
+    // CATEGORY: SETTINGS
+    // OS: V
+    ACTION_CANCEL_SYSTEM_LOCALE_FROM_RECOMMENDATION = 1899;
 }
 
 /**