Automated g4 rollback of changelist 167623894.
Automated g4 rollback of changelist 167623894.

*** Reason for rollback ***

Breaks YTVR tests. Will fix and resend out.

*** Original change description ***

Fixing an infinite loop on windows if lullaby asset files are not found and it tries to go from c:\users to c:\ via "cd c:".

***

PiperOrigin-RevId: 167637959
Change-Id: Iddcca7a256f94df59caafb2bdcb603db7dbe6687

google/fplbase,google/fplbase,google/fplbase,google/fplbase