Revert "Verify hierarchy change for cross-UID ActivityEmbedding"

Revert submission 17157035-cross-process-ae-hierarchy

Reason for revert: broken test b/225331448
Reverted Changes:
Ie102621bd:Verify hierarchy change for cross-UID ActivityEmbe...
I0c3c1d837:Verify hierarchy change for cross-UID ActivityEmbe...

Change-Id: I6da68fddcfc5848867db4222d5500dcc0f5c1a93
3 files changed