In preparePackage of InstallPackageHelper.java, there is a possible way for an app to appear hidden upon installation without a mechanism t…

In preparePackage of InstallPackageHelper.java, there is a possible way for an app to appear hidden upon installation without a mechanism to uninstall it due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.