16k: Hardcode PAGE_SIZE value to 4096 for windows targets

When AOSP is page size agnostic, it uses _SC_PAGE_SIZE macro to obtain
the page size value. But this macro is not defined in windows.

Bug: 310232825
Change-Id: I71fec93389bfe2af6913a3a12d5a8d4c61c3dba7
1 file changed