Merge "libsnapshot: Remove various unused components." am: 2812fd841e

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2536015

Change-Id: I020cdc0ffd9e77b991b735927521fde4f9264748
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>