Merge "libsnapshot: Remove invalid snapshot metadata" am: e3cca4a0d1

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2061835

Change-Id: I028ad0c82fab0af9327682b1a245a3c23805401a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>