Fix from math1man review https://github.com/flutter/engine/pull/44865\#discussion_r1300057387

Author: justinmc

shell/platform/android/io/flutter/embedding/android/FlutterFragmentActivity.java

@@ -518,7 +518,7 @@ protected FlutterFragment createFlutterFragment() {
             ? TransparencyMode.opaque
             : TransparencyMode.transparent;
     final boolean shouldDelayFirstAndroidViewDraw = renderMode == RenderMode.surface;
-    final boolean shouldAutomaticallyHandleOnBackPressed = Build.VERSION.SDK_INT >= 33;
+    final boolean shouldAutomaticallyHandleOnBackPressed = true;
 
     if (getCachedEngineId() != null) {
       Log.v(
@@ -620,12 +620,6 @@ protected void onNewIntent(@NonNull Intent intent) {
     super.onNewIntent(intent);
   }
 
-  @Override
-  @SuppressWarnings("MissingSuperCall")
-  public void onBackPressed() {
-    flutterFragment.onBackPressed();
-  }
-
   @Override
   public void onRequestPermissionsResult(
       int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {