Introduce a nterp with clinit check entrypoint.

It will be used post-zygote fork, so that methods whose class is not
initialized yet keep the same entrypoint even after initialization. This
avoids dirtying shared pages.

Test: imgdiag
Bug: 162110941
Change-Id: Idb861f23b368604e79f6d3efa7ad0dff287e0209
13 files changed