Adding ro.product.build.16k_page.enabled to property contexts

This property will be used to set 16k dev options on device.
This will be product specific property and will be added on
specific devices.

Test: m, booted device with PRODUCT_16K_DEVELOPER_OPTION ON/OFF and
verified option visibility.
Bug: 297922563

Change-Id: I2be5e7236eb8259ef6d5893e70712a5c89aaad52
diff --git a/private/system_app.te b/private/system_app.te
index e2bec30..d0d88e9 100644
--- a/private/system_app.te
+++ b/private/system_app.te
@@ -66,6 +66,9 @@
 # Allow developer settings to query gsid status
 get_prop(system_app, gsid_prop)
 
+# Allow developer settings to check 16k pages boot option status
+get_prop(system_app, enable_16k_pages_prop)
+
 # Create /data/anr/traces.txt.
 allow system_app anr_data_file:dir ra_dir_perms;
 allow system_app anr_data_file:file create_file_perms;