Revert "Release PREVENT_BYPASS_KEYGUARD flag"

This reverts commit 30651ca3af98ba3e0917e97c61a032671b0072fb.

Reason for revert: broke some cts tests
fixes: 276934137
fixes: 276924513

Change-Id: Ied3b64f21f1423d9275b7ecea06d46508c63a023
1 file changed