Fix KeyAttestation tests on unlocked devices.

This CL changes TrustyKeymasterContext::SetBootParams such that the
VB key is loaded regardless of the VB state. Otherwise the test fails
on unlocked devices.

This fix is originally authored by swillden@google.com.

Test: atest CtsKeystoreTestCases
Bug: 192634248
Change-Id: I9fa8a98edb5714e2077fe777911fd0170cd3329d
1 file changed