Add error logging in GetRootOfTrust am: a2a1421dd5 am: 7081bc6c73

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

Change-Id: I350651951b99598bc16e33d2c00df8a3c9a1f5ec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>