[ADI][38/N] bypass multi-package (temporary workaround)

Temporary workaround to fix presubmit failures. A complete
implementation will be added in a follow-up CL to support developer
verification on children sessions in a multi-package installation
session.

FLAG: android.content.pm.verification_service
BUG: 360129657
FIXES: 431203117
Test: atest CtsPackageInstallSessionTestCases

Change-Id: I819bdcbf1ea5e23bfe81fd1e73fd0d51464e1a9e