Fix regression in vm tests 021 and 082

dex2oat defaults to build.art for the image which includes the junit
classes used by these tests. At runtime these tests are run with
core.art and so the code is missing. Change dex2oat to specify the boot
image is core.art.

Change-Id: Icd80560ac06798634f47922cc9fb592966f2b511
5 files changed
tree: b99ffdc9cbdf6007116ab8051f110f4b24a3f530
  1. Android.mk
  2. build/
  3. jdwpspy/
  4. oat_process/
  5. oat_runtime/
  6. src/
  7. test/
  8. tools/