Revert "Treat input files as public API."

This reverts commit 7a560eb4.

Reason for revert: build bustage

Change-Id: Iba0ba7a899dca865129a9c715c5f60f8a6edcc2f

public/domain.te

@@ -1128,6 +1128,7 @@ full_treble_only(`
     userdebug_or_eng(`-perfprofd')
     -shell
     -system_executes_vendor_violators
+    -system_server # reads vendor input files
     -ueventd # reads /vendor/ueventd.rc
   } {
     vendor_file_type
@@ -1135,9 +1136,6 @@ full_treble_only(`
     -vendor_app_file
     -vendor_configs_file
     -vendor_framework_file
-    -vendor_idc_file
-    -vendor_keychars_file
-    -vendor_keylayout_file
     -vendor_overlay_file
     -vendor_public_lib_file
     -vndk_sp_file