Do not require StrongBox to implement RKP

Detect if there is an IRemotelyProvisionedComponent for strongbox, and
if so run the associated keymint tests. Else, allow strongbox to skip
the test as it's not required to implement the IRPC HAL.

Bug: 271948302
Test: VtsAidlKeyMintTargetTest
Change-Id: Ibf98e594e725d6ad14c0ff189ab9fbcc25b51f80
1 file changed