Rename exported2_config_prop to systemsound_config_prop

Fixing bad names (exported*_prop) on property contexts.

Bug: 152468650
Test: m sepolicy_tests
Change-Id: Ie98212ee0fa89966e70faa83322b65b613f3b3f5
diff --git a/private/property.te b/private/property.te
index 8a5dd26..1a91a44 100644
--- a/private/property.te
+++ b/private/property.te
@@ -143,7 +143,6 @@
     exported_system_prop
     exported_system_radio_prop
     exported_vold_prop
-    exported2_config_prop
     exported2_default_prop
     exported2_system_prop
     exported2_vold_prop
@@ -244,11 +243,11 @@
     exported_dalvik_prop
     exported_ffs_prop
     exported_system_radio_prop
-    exported2_config_prop
     exported2_system_prop
     exported2_vold_prop
     exported3_default_prop
     exported3_system_prop
+    systemsound_config_prop
     -debug_prop
     -logd_prop
     -nfc_prop