Prerequisites:
You'll need to have Android player and SDK installed.

Steps to repro:

1. Open attached project and '04_AutomaticInstancingSubmeshes' scene;
2. Go to Build Settings (File -> Build Settings);
3. Uncheck 'Auto Graphics API' checkbox;
4. Drag Vulkan on top of the list;
5. Go to Build Settings (File -> Build Settings);
6. Select 'Android' and click 'Switch Platform';
2. Deploy project to Android;
3. Run the scene on mobile.

Expected result:
All submeshes of instanced multimesh are rendered on the scene (see attached expected.png screenshot).

Actual result:
Only first submesh of multimesh is rendered (see attached actual.png screenshot).

Notes:
- Reproducible on 2017.2.0b1, 2017.1.0f2, 5.6.1p2;
- Reproducible only on Android running under Vulkan API with ARM Mali GPU;
- Reproducible only on Android device; not reproducible in Editor.