Merge "libsnapshot_test: skip global setup on non-VAB devices." am: 75d5e98401 am: 60e1be9200 am: 464e1794b6

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1393640

Change-Id: I7754439e4bf4ef17545b162f48829e0c7b5d0080