Versioning, add additional package import.

Added versioning@2.4. This tests the same as 2.2->2.3, but also repros
an issue in hidl-gen where triple inheritance isn't allowed.

Test: minor version inheritance doesn't fail, triple inheritance works
Bug: 36162559
Change-Id: Id5518621cd068b1b623f30f6f6762a1bf8ae6a80