Reland do not give app id for sdk-library package

Move check logic to help readibility and add flag to protect the
change.

Bug: 295843617
Test: manual. Install success and no app id is assigned and no
no directory created under /data/data for sdk pacakge
Test: atest PackageManagerShellCommandInstallTest
Test: atest SdkSandboxManagerServiceUnitTest(see bug comment)
Test: atest SdkSandboxManagerTest(see bug comment)

Change-Id: Ic397d93331a9dc5c44abf6fa15028f6e3d1ea74e