Merge "KeyMint: add separator for debugging output" into main am: ea20772c am: dd243e0d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2980595



Change-Id: I44da3e93e17d09871d37a924f5a4db11fe693931
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>