Add error logging in GetRootOfTrust am: a2a1421dd5 am: f591b22b71

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

Change-Id: I2f652bcb17963a75d09d442112812688d3ce8da3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>