Use keymasterSwEnforcedUserAuthenticators if keymasterHwEnforcedUserAuthenticators is zero.

Bug: 186562600

Test: atest android.appsecurity.cts.AuthBoundKeyTest#useInvalidatedAuthBoundKey
Change-Id: I52a9c04b3e000416fb141d90d8d1f034348499de
1 file changed