16k: Enable `PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO` on aosp_x86_64

`PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO` overrides
`TARGET_NO_BIONIC_PAGE_SIZE_MACRO` value in the build system. Enabling
TARGET_NO_BIONIC_PAGE_SIZE_MACRO implies those targets no longer rely
on the `PAGE_SIZE` bionic macro. Page size would be queried at runtime
using getpagesize() / sysconf(_SC_PAGE_SIZE).

Bug: 310232825
Bug: 333124272
Test: lunch <target> && get_build_var TARGET_NO_BIONIC_PAGE_SIZE_MACRO
Change-Id: I1786c735eb2ba2ede70e1432f1854694c5831a01
diff --git a/target/product/aosp_x86_64.mk b/target/product/aosp_x86_64.mk
index 3040dd3..4344f50 100644
--- a/target/product/aosp_x86_64.mk
+++ b/target/product/aosp_x86_64.mk
@@ -74,3 +74,5 @@
 PRODUCT_DEVICE := generic_x86_64
 PRODUCT_BRAND := Android
 PRODUCT_MODEL := AOSP on x86_64
+
+PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO := true