SELinux: split property_contexts into platform and non-platform components.

Bug: 33746484
Test: Successfully boot with original service and property contexts.
      Successfully boot with split serivce and property contexts.

Change-Id: I1932684f600dd34d5136e72ac053fae13f0c3eba
Signed-off-by: Sandeep Patil <sspatil@google.com>
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 2297dd5..c94abc3 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -87,13 +87,14 @@
     file_contexts.bin \
     nonplat_file_contexts \
     nonplat_mac_permissions.xml \
+    nonplat_property_contexts \
     nonplat_seapp_contexts \
     nonplat_service_contexts \
     plat_file_contexts \
     plat_mac_permissions.xml \
+    plat_property_contexts \
     plat_seapp_contexts \
     plat_service_contexts \
-    property_contexts \
     selinux_version \
     sepolicy