Add error logging in GetRootOfTrust am: a2a1421dd5 am: 7081bc6c73 am: 5beca0e4c2 am: d3eda621fd

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

Change-Id: I1b052380e966af1d22f20aacc8bd5f4c109e5bd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>