am 92eb1ee5: (-s ours) am 8d3022d3: (-s ours) am dda5e898: (-s ours) Merge "DO NOT MERGE - Add Sampler custom alloc/delete"

* commit '92eb1ee5095d6f01c24743b3ace8af533b349777':
  DO NOT MERGE - Add Sampler custom alloc/delete