16k: Add sepolicy for max page size prop

Devices can select their max supported with PRODUCT_MAX_PAGE_SIZE_SUPPORTED.
This is exposed as ro.product.cpu.pagesize.max to VTS tests.

Add the required sepolicy labels for the new property.

Bug: 277360995
Test: atest -c vendor_elf_alignment_test -s <serial>
Change-Id: Ibe01e301dbcc3392201dffd3bba845700ee2a5e8
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
diff --git a/private/property_contexts b/private/property_contexts
index 51e6cf8..e2e8b8f 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -946,6 +946,8 @@
 ro.product.cpu.abilist32 u:object_r:build_prop:s0 exact string
 ro.product.cpu.abilist64 u:object_r:build_prop:s0 exact string
 
+ro.product.cpu.pagesize.max    u:object_r:build_prop:s0 exact enum 4096 16384 65536
+
 ro.product.system.brand        u:object_r:build_prop:s0 exact string
 ro.product.system.device       u:object_r:build_prop:s0 exact string
 ro.product.system.manufacturer u:object_r:build_prop:s0 exact string