Move some classes from `runtime/` to `dex2oat/`.

Move the transactional interpreter, `AotClassLinker`,
`Transaction` and `SdkChecker`.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: If001e06711ee345ce5b937ed764e66b26a0abcd6
35 files changed