Camera: Generate camera_metadata_tags.h from XML

Change-Id: Ie98f9dca854841ff1430c1314fbc570e26e5398b
diff --git a/camera/docs/metadata-parser-sanity-check b/camera/docs/metadata-parser-sanity-check
index e47ec0b..940300c 100755
--- a/camera/docs/metadata-parser-sanity-check
+++ b/camera/docs/metadata-parser-sanity-check
@@ -34,7 +34,7 @@
 tmp_tidy1=$(mktemp)
 tmp_tidy2=$(mktemp)
 
-$thisdir/metadata_parser_xml.py $thisdir/metadata_properties.xml $thisdir/metadata_template.mako > $tmp_out
+$thisdir/metadata_parser_xml.py $thisdir/metadata_properties.xml $thisdir/metadata_template.mako > $tmp_out || exit 1
 tidy -indent -xml -quiet $thisdir/metadata_properties.xml > $tmp_tidy1
 tidy -indent -xml -quiet $tmp_out > $tmp_tidy2