Fix longstanding JIT bug in interaction with class initialization.

The entrypoint of a method of a class being initialized was
wrongly updated to pointing to compiled code when it should stay
the resolution stub.

Test: 694-clinit-jit
Bug: 119800099
Bug: 130337355

(cherry picked from commit d03e8dd6c824352fb2281d333d4e134458776fa1)

Change-Id: Ib88bed1d716c8ed0a1557fde5f75fab87d839398
Merged-In: I1bd5769c950b62330d8ae5c34cc08111b2fb4c04