Merge "Return appropriate error when an invalid timestamptoken is provided." into main am: 5e4710662a am: 7658f2143b

Original change: https://android-review.googlesource.com/c/platform/external/libese/+/2663757

Change-Id: I3e618a323736af3a3c7d9b268a92ff83ea05acd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>