Merge "KeyMint: clarify EC_CURVE on import" into main am: a2d3f2499c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2740353

Change-Id: Ie52807c884e5e52ac07845ae8e0275a0eacba2a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>