Revert "Disable DCHECK's that break cdex-redefine-stress tests." am: 7690e48b61 am: 00d625a37c

Original change: https://android-review.googlesource.com/c/platform/art/+/2197015

Change-Id: Ic7d2c877018f9a2faead737cde7da65195dd8daa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>