Revert "Add isInitializing check in nterp header." am: 2432d6bb2f am: ff7d32506f am: 346a166fea am: 6615e4079d

Original change: https://android-review.googlesource.com/c/platform/art/+/2184978

Change-Id: Ibedc9bd3a37c91e3459c211cca21e736e215ec56
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>