Package the rust_nonsecure keymint default HAL in an APEX

This will make it easier to swap in and out with the Cuttlefish remote
implementation.

Bug: 331474817
Test: m com.android.hardware.keymint.rust_nonsecure
Change-Id: I0e9a350b62a90ef6126db109195e19b4181d0cf8
3 files changed