Keystore 2.0 km_compat: Cuttlefish does not return a vendor patch level.

Stop testing for a vendor patch level in km_compat get key
characteristics test.

Bug: 189973657
Test: atest keystore2_km_compat_test
Change-Id: Id811d8fdc26fdf09e5f0ae454be7c146a7c57563
1 file changed