Separate product_seapp_contexts out of system sepolicy.

Bug: 119305624
Test: normal/recovery boot aosp_taimen
Change-Id: Ia8d69be16011db8dd63fa41672449a4ade7302c2
diff --git a/private/file_contexts b/private/file_contexts
index 7de18ff..d0936e9 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -377,6 +377,7 @@
 /(product|system/product)/etc/selinux/product_file_contexts      u:object_r:file_contexts_file:s0
 /(product|system/product)/etc/selinux/product_hwservice_contexts u:object_r:hwservice_contexts_file:s0
 /(product|system/product)/etc/selinux/product_property_contexts  u:object_r:property_contexts_file:s0
+/(product|system/product)/etc/selinux/product_seapp_contexts     u:object_r:seapp_contexts_file:s0
 
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 # Product-Services files