Merge "Return appropriate error when an invalid timestamptoken is provided." into main am: 49876d0ead

Original change: https://android-review.googlesource.com/c/platform/external/libese/+/2663756

Change-Id: Idb226062835835133a2165f61dcf14430bd0255b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>