Let them control construction of standard manifest elements (like activities) through Application. This will allow for things like dependency injection and class loader magic. Test: manual Bug: 62534409 Change-Id: I5fc2a7ec52bb0e232966704d16f94a192d033267 Merged-In: Iaa2215b225c3b97f4e9ac809dfe499f98c7ad5f1