Fix for managed-profile users needing to "install" packages twice.

Fix ensures that the users requesting package installation have the
package marked as installed and enabled for them. This appears to be
the intent of the existing code, but without this change in certain
cases the user has to effectively request "installation" twice.

Bug: 17445378
Change-Id: Ic17399e493125e631b381b89615336be17c9d1ee