Revert "Revert "Adds a new prop context for choosing between mul..."

Revert "Revert "Adds multi_install_skip_symbol_files field (defa..."

Revert submission 1893459-revert-1869814-vapex-multi-config-VKODFOVCWY

Reason for revert: Fix-forward in https://r.android.com/1894088
Reverted Changes:
I087bfe0dc:Revert "Adds a new prop context for choosing betwe...
I27a498506:Revert "Load persist props before starting apexd."...
Ib5344edc0:Revert "Allow users to choose between multi-instal...
If09bf590e:Revert "Adds multi_install_skip_symbol_files field...
I905dac14c:Revert "Demonstrate multi-installed APEXes."

Change-Id: I03fb124d4e7044f236539a132816fd96cb814775
diff --git a/private/property_contexts b/private/property_contexts
index 5d4c3b7..f8be8c2 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -263,6 +263,8 @@
 apexd.config.dm_delete.timeout           u:object_r:apexd_config_prop:s0 exact uint
 apexd.config.dm_create.timeout           u:object_r:apexd_config_prop:s0 exact uint
 persist.apexd.          u:object_r:apexd_prop:s0
+persist.vendor.apex.    u:object_r:apexd_select_prop:s0
+ro.boot.vendor.apex.    u:object_r:apexd_select_prop:s0
 
 bpf.progs_loaded        u:object_r:bpf_progs_loaded_prop:s0