media_solutions: Add android.media.editing.flags-aconfig flag

Test: builds
Bug: 341121900
Change-Id: I1dfd5beec61c5033a9d9ff44b8280029c2af90a5
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 96d6f32..c726384 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -625,6 +625,11 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+cc_aconfig_library {
+    name: "com.android.media.flags.editing-aconfig-cc",
+    aconfig_declarations: "com.android.media.flags.editing-aconfig",
+}
+
 // MediaProjection
 aconfig_declarations {
     name: "com.android.media.flags.projection-aconfig",
diff --git a/media/java/android/media/flags/editing.aconfig b/media/java/android/media/flags/editing.aconfig
index bf6ec96..185f579 100644
--- a/media/java/android/media/flags/editing.aconfig
+++ b/media/java/android/media/flags/editing.aconfig
@@ -8,3 +8,10 @@
   description: "Add media metrics for transcoding/editing events."
   bug: "297487694"
 }
+
+flag {
+  name: "stagefrightrecorder_enable_b_frames"
+  namespace: "media_solutions"
+  description: "Enable B frames for Stagefright recorder."
+  bug: "341121900"
+}