Alembic file doesn't play animations when imported as Skeletal Mesh

When importing an Alembic file as a Skeletal, the animation and morph targets keys are there but when played in the Viewport or Sequencer there is no animation.

This was reported and tested in 4.20.1 (CL-4233996). This issue was reproduced in 4.19.2 (CL-4033788) and Main 4.21 (CL-4302610)

1. Download the Alembic file ([Link Removed])
2. Open the UE4 Editor and create a blank project
3. Import the Alembic file, change the Import Type to to Skeletal, and click Import
4. Double click on 't3are6_wolf_Animation'

Results: The animation doesn't play

Expected: The animation plays