Add constants which can be used by Privacy Setting

-Add a category key for privacy settings
-Add two metrics constants for privacy settings

Test: robotest
Bug: 116628158
Change-Id: Id9b210cc44bcc421c67525c4919d99586525bfc2

core/proto/android/app/settings_enums.proto

@@ -64,5 +64,8 @@ enum PageId {
 
     // OPEN: Biometric Enrollment (android.settings.BIOMETRIC_ENROLL action intent)
     BIOMETRIC_ENROLL_ACTIVITY = 1586;
+
+    // OPEN: Settings > Privacy
+    TOP_LEVEL_PRIVACY = 1587;
 }
 

packages/SettingsLib/src/com/android/settingslib/drawer/CategoryKey.java

@@ -51,6 +51,8 @@ public final class CategoryKey {
     public static final String CATEGORY_GESTURES = "com.android.settings.category.ia.gestures";
     public static final String CATEGORY_NIGHT_DISPLAY =
             "com.android.settings.category.ia.night_display";
+    public static final String CATEGORY_PRIVACY =
+            "com.android.settings.category.ia.privacy";
 
     public static final Map<String, String> KEY_COMPAT_MAP;
 

proto/src/metrics_constants/metrics_constants.proto

@@ -2832,7 +2832,7 @@ message MetricsEvent {
     // ACTION: Logs the end to end time taken by all provisioning tasks.
     PROVISIONING_TOTAL_TASK_TIME_MS = 627;
 
-    // OPEN: Settings > Privacy
+    // OPEN: Settings > Security
     // CATEGORY: SETTINGS
     // OS: O
     ENTERPRISE_PRIVACY_SETTINGS = 628;
@@ -6579,6 +6579,11 @@ message MetricsEvent {
     // OS: Q
     BIOMETRIC_ENROLL_ACTIVITY = 1586;
 
+    // OPEN: Settings > Privacy
+    // CATEGORY: SETTINGS
+    // OS: Q
+    TOP_LEVEL_PRIVACY = 1587;
+
     // ---- End Q Constants, all Q constants go above this line ----
 
     // Add new aosp constants above this line.