Revert "Make dchecked_vector C++11 compatible."

We no longer support GCC in ART.

This reverts commit 05ff5a4ad666d9eb583ff343c1cbba886d7621b1.

Bug: 25022512
Change-Id: Ie0aee5ce3f8b5bb5023fba90c39d96ae01e3e256
Test: m test-art-host
1 file changed