Reland^2 "Add consistency CHECKs around ArtMethod fields."

This reverts commit 5945de03b6f6b35bcf6a575b2291e29ae7a2b1ee.

Reason for revert: CL can land now after
https://android-review.googlesource.com/c/platform/art/+/1246288

Bug: 146765723
Change-Id: I237b1e171d94d47a39b21ec8b33cffa0b087b285
2 files changed