Merge "libsnapshot: Don't call RemoveAllSnapshots on normal boot." into main am: 0bb1098965

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3508341

Change-Id: I7dc608bae935fee9c2f39aef389240c8cce3d5fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>