Revert "Make it possible to enable native debugging through debug flags"

The change causes issues in test-art-target-gtest-jni_internal_test32

This reverts commit c94a61f06ffc13288c67891048128c987b29bf33.

Change-Id: Iecfe3c6874d7b0dd59f10156fe2eb743ab7221dc
5 files changed