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

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

Change-Id: I85178c5d4aad3ad1f0f5f134f08d346b4d5c690a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>