Add error logging in GetRootOfTrust am: a2a1421dd5 am: 7081bc6c73 am: 5beca0e4c2

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

Change-Id: Ia576061b23ed7cc45ebdc4d65dc07421e1ffa352
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>