Merge "libsnapshot: Remove invalid snapshot metadata" am: e3cca4a0d1 am: d2611d1c1c am: 0d701c13b6 am: 071d75052b

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

Change-Id: Id7a8a01743c000febd1ea69a448d120146d7a3f0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>