Revert "Use the interpreter as a heartbeat for the JIT."

Hits a DCHECK testing libcore.
    art F 11973 12675 art/runtime/jit/jit_code_cache.cc:644] Check failed: it.second->GetProfilingInfo(sizeof(void*)) != nullptr 


Bug: 27398183
Bug: 23128949
Bug: 26846185

This reverts commit 7273a5d045d3ceb3ff011ad65765356b69b155e8.

Change-Id: I6614a82e775ea71aa16f041313f67546db41eac8
7 files changed