ARM: VIXL32: Fix VisitTypeConversion.

Pass 422-type-conversion and some other tests.

Test: export ART_USE_VIXL_ARM_BACKEND=true && \
      mma test-art-host dist && mma test-art-target dist

Change-Id: I89a491a7724ae5286b717133eec16433b7066845
2 files changed