Add UdsCert get/set support am: d14df6fc6c

Original change: https://android-review.googlesource.com/c/trusty/app/keymint/+/3195773

Change-Id: Ica41dbac6fbd3349ec0301932c60a0f98dbbdb7c
Signed-off-by: Automerger Merge Worker <[email protected]>