Created hidden constants and metrics for ScopedAccessProvider.

Test: echo 'Not yet!'
Bug: 63720392

Change-Id: I811cde225fdcf5271fda9b357da742e408de0627
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 10a809a..04cee67 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -5134,6 +5134,15 @@
     // OS: P
     ACTION_SCREENSHOT_POWER_MENU = 1282;
 
+    // OPEN: Settings > Apps & Notifications -> Special app access -> Storage Access
+    // CATEGORY: SETTINGS
+    // OS: P
+    STORAGE_ACCESS = 1283;
+
+    // OPEN: Settings > Apps & Notifications -> Special app access -> Storage Access -> Package
+    // CATEGORY: SETTINGS
+    // OS: P
+    APPLICATIONS_STORAGE_DETAIL = 1284;
 
     // ---- End P Constants, all P constants go above this line ----
     // Add new aosp constants above this line.