zenfone7: Use fix_xml for {dsi_config,netmgr_config}.xml

parser error : XML declaration allowed only at the start of the document

Change-Id: Icec281e7a5e5288b5fa3c37ee45e21de187b4ef7
diff --git a/proprietary-files-vendor.txt b/proprietary-files-vendor.txt
index 6611179..3e66cc6 100644
--- a/proprietary-files-vendor.txt
+++ b/proprietary-files-vendor.txt
@@ -348,8 +348,8 @@
 vendor/etc/cne/wqeclient/VZW/VZW_profile6.xml
 vendor/etc/configstore/vpp.configstore.xml
 vendor/etc/configstore/wigig.xml
-vendor/etc/data/dsi_config.xml
-vendor/etc/data/netmgr_config.xml
+vendor/etc/data/dsi_config.xml;FIX_XML
+vendor/etc/data/netmgr_config.xml;FIX_XML
 vendor/etc/default-permissions/com.qualcomm.qti.cne.xml
 vendor/etc/default_volume_tables.xml
 vendor/etc/default_volume_tables_ZS670KS.xml