Revert "Revert^2 "[art] Enable compilation of secondary dexes by default i...""

This reverts commit 9a01d30bd78d90491a829ce1b06ede01f21fbf67.

Reason for revert: https://ci.chromium.org/p/art/builders/ci/host-x86_64-cdex-fast/3169?

Change-Id: Ia8ca15f9e3e956ad241851d8d722e70480e923d4
21 files changed