The optimization is confusing syshealth because the modules will use
more memory when they are switched to the prebuilt (unbundled) or
updated via Play.
Let's have a per-module switch to control the behavior and turn it on
only for non-updatable modules like ART.
Bug: 149805758
Test: m
Change-Id: Ieb842c47f31f3b06e403b1e1f9e463c3e5524107