Check userspace snapshots only for API level >= T am: 9591090a17 am: 6a7cb89655

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/19263116

Change-Id: I1dc5b724348367df871482ad8612ff78c32f4a33
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>