Using the anim blend or anim frame streams with the Texture Sheet Animation module is disabled or enabled with only 1 tile on X and Y crashes Unity.

Repro steps:
1. Open Scene1 from attached project.
2. Add a anim blend and/or anim frame stream
3. Disable the Texture Sheet Animation module, or set its values to 1 on X and 1 on Y.
4. Unity Crashes.

Notes:
- Not a regression, vertex stream revamp is a new feature