Add ro.zygote.disable_gl_preload to policy

It's used by ZygoteInit, and vendor_init should be able to set it.

Bug: 176210699
Test: boot
Change-Id: I27bb59c145f3257281fb8d6007be60eb2bcc93ca
diff --git a/private/coredomain.te b/private/coredomain.te
index 516b49c..4209ac7 100644
--- a/private/coredomain.te
+++ b/private/coredomain.te
@@ -22,6 +22,7 @@
 get_prop(coredomain, userspace_reboot_config_prop)
 get_prop(coredomain, vold_config_prop)
 get_prop(coredomain, vts_status_prop)
+get_prop(coredomain, zygote_config_prop)
 get_prop(coredomain, zygote_wrap_prop)
 
 # TODO(b/170590987): remove this after cleaning up default_prop
diff --git a/private/property_contexts b/private/property_contexts
index 55f1c1c..cea1b6e 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -1055,6 +1055,8 @@
 # zygote config property
 zygote.critical_window.minute u:object_r:zygote_config_prop:s0 exact int
 
+ro.zygote.disable_gl_preload u:object_r:zygote_config_prop:s0 exact bool
+
 # Enable Keystore 2.0.
 # TODO remove this propertye when Keystore 2.0 migration is complete b/171563717
 ro.android.security.keystore2.enable    u:object_r:keystore2_enable_prop:s0 exact bool