UpdateEngine: removed libstatspull dependency am: d62c81b749 am: d3f430e3f4 am: 8518b701ac am: 4b750d373c

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2222044

Change-Id: Ibcc74bb0731f1a85ba92269e07dfb17f60c1cdaa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>