Move ro.gfx.* properties to graphics_config_prop

To clean up bad context names exported*_prop.

Bug: 155844385
Test: boot and see no denials
Change-Id: Ie92e4293b8271bc137222a4c21637c740b06e156
diff --git a/private/gpuservice.te b/private/gpuservice.te
index 31ad788..e0ada3f 100644
--- a/private/gpuservice.te
+++ b/private/gpuservice.te
@@ -61,3 +61,5 @@
 
 # Only uncomment below line when in development
 # userdebug_or_eng(`permissive gpuservice;')
+
+get_prop(gpuservice, graphics_config_prop)
diff --git a/private/property_contexts b/private/property_contexts
index 1050aeb..13594cb 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -417,9 +417,6 @@
 
 ro.enable_boot_charger_mode u:object_r:exported3_default_prop:s0 exact bool
 
-ro.gfx.driver.0        u:object_r:exported3_default_prop:s0 exact string
-ro.gfx.angle.supported u:object_r:exported3_default_prop:s0 exact bool
-
 ro.lmk.critical                 u:object_r:lmkd_config_prop:s0 exact int
 ro.lmk.critical_upgrade         u:object_r:lmkd_config_prop:s0 exact bool
 ro.lmk.debug                    u:object_r:lmkd_config_prop:s0 exact bool
@@ -851,5 +848,9 @@
 persist.dbg.wfc_avail_ovr         u:object_r:telephony_config_prop:s0 exact int
 
 # Graphics related properties
+ro.gfx.driver.0        u:object_r:graphics_config_prop:s0 exact string
+ro.gfx.driver.1        u:object_r:graphics_config_prop:s0 exact string
+ro.gfx.angle.supported u:object_r:graphics_config_prop:s0 exact bool
+
 graphics.gpu.profiler.support          u:object_r:graphics_config_prop:s0 exact bool
 graphics.gpu.profiler.vulkan_layer_apk u:object_r:graphics_config_prop:s0 exact string
diff --git a/private/system_server.te b/private/system_server.te
index 7fe6f0b..c2b4234 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -883,6 +883,9 @@
 # Set persist.adb.tls_server.enable property
 set_prop(system_server, system_adbd_prop)
 
+# Read ro.gfx.* properties
+get_prop(system_server, graphics_config_prop)
+
 # Allow invoking tools like "timeout"
 allow system_server toolbox_exec:file rx_file_perms;