Add error logging in GetRootOfTrust am: a2a1421dd5 am: f591b22b71 am: 936016b0a4 am: 3422efc7b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/keymaster/+/18808331

Change-Id: I4d86e76bd418a48b7926aabd315ef71c207d155d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>