Update input vdex selection logic for SDM.

When the artifacts location is SDM_*, the vdex file is in the DM file,
which is passed to dex2oat as a separate flag whenever it exists, so we
don't need to pass input vdex.

Bug: 377474232
Test: atest ArtServiceTests
Change-Id: I07726baa04e70bc22850e2ba5ce8df44dc5b80b0
3 files changed