Merge changes from topic "code-paths-and-resources-caching-fix"

* changes:
  Revert ContextImpl LoadedApk packageInfo caching workaround
  Fix AssetManager2 isUpToDate check
  Diff resource dirs when checking LoadedApk packageInfo cache in ActivityThread
  Diff overlays between PackageManagerService and OverlayManagerService
  Propagate base code path and split dir changes to Resources objects