Locale deduping isn't straightforward, as parenting rules
change between platform versions and the selection
preference of a specific locale variant over the default
configuration lead to incorrect results at runtime.
Bug: 62409213
Test: make aapt2_tests
Change-Id: Iec8f1cfba7ae43c847d163529891fdc15f3db826
Generating splits should be possible to do from the optimize command.
This means that a lot of infrastructure around split APKs can be
shared by both the optimize and link phase.
Bug: 35925830
Change-Id: Ia88b9e4bff300a56353b2f7a4a2547c8eb43a299
Test: manual
