Add check and fix doics

Author: GaryQian

shell/platform/android/io/flutter/embedding/engine/renderer/FlutterRenderer.java

@@ -131,11 +131,11 @@ final class SurfaceTextureRegistryEntry implements TextureRegistry.SurfaceTextur
         new SurfaceTexture.OnFrameAvailableListener() {
           @Override
           public void onFrameAvailable(@NonNull SurfaceTexture texture) {
-            if (released) {
-              // Even though we make sure to unregister the callback before releasing, as of Android
-              // O
-              // SurfaceTexture has a data race when accessing the callback, so the callback may
-              // still be called by a stale reference after released==true and mNativeView==null.
+            if (released || !flutterJNI.isAttached()) {
+              // Even though we make sure to unregister the callback before releasing, as of
+              // Android O, SurfaceTexture has a data race when accessing the callback, so the
+              // callback may still be called by a stale reference after released==true and
+              // mNativeView==null.
               return;
             }
             markTextureFrameAvailable(id);