Add new context dalvik_runtime_prop

persist.sys.dalvik.vm.lib.2 is moved to a new context
dalvik_runtime_prop from bad context name.

Bug: 154885206
Test: boot device and see logcat
Change-Id: I9dea95105c266088d5f071bf2d890048f0999b0b
diff --git a/private/property.te b/private/property.te
index 1958010..0ea7a40 100644
--- a/private/property.te
+++ b/private/property.te
@@ -355,3 +355,9 @@
   -system_server
   -vendor_init
 } zram_control_prop:property_service set;
+
+neverallow {
+  -init
+  -system_server
+  -vendor_init
+} dalvik_runtime_prop:property_service set;