Fix VGF broken tutorials link on Android Examples & Demos page (pytorch#16867)

### Summary
[PLEASE REMOVE] See [CONTRIBUTING.md's Pull
Requests](https://github.com/pytorch/executorch/blob/main/CONTRIBUTING.md#pull-requests)
for ExecuTorch PR guidelines.

[PLEASE REMOVE] If this PR closes an issue, please add a `Fixes
#<issue-id>` line.

[PLEASE REMOVE] If this PR introduces a fix or feature that should be
the upcoming release notes, please add a "Release notes: <area>" label.
For a list of available release notes labels, check out
[CONTRIBUTING.md's Pull
Requests](https://github.com/pytorch/executorch/blob/main/CONTRIBUTING.md#pull-requests).

### Test plan
[PLEASE REMOVE] How did you test this PR? Please write down any manual
commands you used and note down tests that you have written if
applicable.

Co-authored-by: Github Executorch <github_executorch@arm.com>

Author: psiddh

docs/source/android-examples.md

@@ -2,8 +2,9 @@
 
 - [Working with LLMs - Android Examples](https://github.com/meta-pytorch/executorch-examples/blob/main/llm/android/LlamaDemo/README.md) - ExecuTorch Llama Android Demo App
 - [Demo Apps](https://github.com/meta-pytorch/executorch-examples/tree/main/dl3/android/DeepLabV3Demo#executorch-android-demo-app) -  DeepLab v3 model for image segmentation
-- {doc}`tutorial-arm-vgf` — Export a simple PyTorch model for the ExecuTorch VGF backend
+- {doc}`backends/arm-vgf/tutorials/arm-vgf-tutorials` — Export a simple PyTorch model for the ExecuTorch VGF backend
 
 ```{toctree}
 :hidden:
-tutorial-arm-vgf
+backends/arm-vgf/tutorials/arm-vgf-tutorials
+```