Mark HMethodEntry/ExitHook as CanThrow

MethodEntry / Exit can throw so mark them as such. They already
marked as causing side-effects and that they could trigger a GC
so this may not be a correctness issue.

Test: art/test.py
Bug: 208587492
Change-Id: Ic741d9fd3c794da77c46104e859629d1afa48336
1 file changed