Revert "Added support for FDN Check."

Revert submission 17070464-FDN_CHECK

Reason for revert: DroidMonitor: Potential culprit for b/225059967 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted
Reverted Changes:
Iaf5f1c875:Added FDN Check.
I553977883:Added support for FDN Check.

Change-Id: Ie690ec111ba445b0a4474f2033b249e696400eca