Add a flag to enable the `setFrameRate` callback.

Test: Success Build
Change-Id: I37d22c40f011f9755218ab4c2243a0fedf923429
Bug: b/299946220
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 003b7f8..864caf4 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -243,6 +243,11 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+cc_aconfig_library {
+    name: "aconfig_view_flags_c_lib",
+    aconfig_declarations: "android.view.flags-aconfig",
+}
+
 // View.accessibility
 aconfig_declarations {
     name: "android.view.accessibility.flags-aconfig",