trusty: reduce startup logging am: 2f028322aa am: a87c731c50

Original change: https://android-review.googlesource.com/c/trusty/app/storage/+/3105751

Change-Id: I84ada8acc6e46f4f314aeeeb56cf80e030a98138
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>