Pass targetSdkVersion to installd

Dex2oat now accepts targetSdkVersion as a parameter to determine
whether ART should treat the app as "legacy" and allow or restrict
access to private APIs.

We also bump arguments of otapreopt to v4 to accommodate the new value.

Bug: 64382372
Test: manual
Change-Id: Iae3867325dfaf8deaba51626ab04b97ad797d3b6