Remove stack protector from some interpreter functions

This CL removes stack protection from several functions in the
interpreter to allow us to re-set the stack protector cookie when new
processes fork from any of the zygotes.

Test: boot
Test: atest KeyboardVisibilityControlTest
Bug: 168258494
Change-Id: Ie0c81f97fedfcdde7afc1b6b4befa65524724194