Fix ClearEntryPointsInZygoteExecSpace.

Methods allocated in the shared region now don't have a profiling
info.

Also move test 689-zygote-jit-deopt to now use proper ZygoteHooks APIs
to fork from zygote, and have non-bionic build create a shared region.

Test: 689-zygote-jit-deopt
Bug: 119800099
Change-Id: I400618673a0b5b2ba7389e46d692ea6a58dbeea8
5 files changed