Revert "Invoke dex2oat explictly before dalvikvm"

Fails on device with:
07-13 04:35:49.410 24424 24424 F dex2oat : instruction_set_features.cc:58] static std::unique_ptr<const InstructionSetFeatures> art::InstructionSetFeatures::FromVariant(art::InstructionSet, const std::string &, std::string *) unimplemented None


Bug: 36824842

This reverts commit 4806f7afc92b1812cefaab291235d01773732400.

Change-Id: I34a23fb69b0284e6d70ec0a54d5ada9e107ffeb7
1 file changed