Add property contexts for vts props

vts_config_prop and vts_status_prop are added to remove exported*_prop.
ro.vts.coverage becomes vts_config_prop, and vts.native_server.on
becomes vts_status_prop.

Bug: 155844385
Test: Run some vts and then getprop, e.g. atest \
      VtsHalAudioEffectV4_0TargetTest && adb shell getprop
Test: ro.vts.coverage is read without denials
Change-Id: Ic3532ef0ae7083db8d619d80e2b73249f87981ce
diff --git a/private/compat/30.0/30.0.cil b/private/compat/30.0/30.0.cil
index b54644f..138d65d 100644
--- a/private/compat/30.0/30.0.cil
+++ b/private/compat/30.0/30.0.cil
@@ -1370,6 +1370,7 @@
     recovery_config_prop
     telephony_config_prop
     tombstone_config_prop
+    vts_status_prop
     zram_config_prop))
 (typeattributeset exported3_radio_prop_30_0 (exported3_radio_prop))
 (typeattributeset exported3_system_prop_30_0
@@ -1387,7 +1388,8 @@
     aaudio_config_prop
     build_odm_prop
     build_vendor_prop
-    surfaceflinger_prop))
+    surfaceflinger_prop
+    vts_config_prop))
 (typeattributeset exported_dumpstate_prop_30_0 (exported_dumpstate_prop))
 (typeattributeset exported_ffs_prop_30_0
   ( exported_ffs_prop