Add error logging in GetRootOfTrust am: a2a1421dd5 am: 7081bc6c73 am: f0d503738e am: 6b28cd3660

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

Change-Id: Ic109b201c11eeb11822ef3747aa47e204c896c3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>