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",
diff --git a/core/java/android/view/flags/variable_refresh_rate_flags.aconfig b/core/java/android/view/flags/refresh_rate_flags.aconfig
similarity index 78%
rename from core/java/android/view/flags/variable_refresh_rate_flags.aconfig
rename to core/java/android/view/flags/refresh_rate_flags.aconfig
index 13a6f8d..56b5fac 100644
--- a/core/java/android/view/flags/variable_refresh_rate_flags.aconfig
+++ b/core/java/android/view/flags/refresh_rate_flags.aconfig
@@ -19,4 +19,11 @@
     namespace: "toolkit"
     description: "Feature flag for using expected presentation time of the Choreographer"
     bug: "278730197"
+}
+
+flag {
+  name: "set_frame_rate_callback"
+  namespace: "core_graphics"
+  description: "Enable the `setFrameRate` callback"
+  bug: "299946220"
 }
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