fix(HLS): Assign EXT-X-TILES to segment tags (#7864)

Fixes #7861

Author: avelad

lib/hls/manifest_text_parser.js

@@ -314,4 +314,5 @@ shaka.hls.ManifestTextParser.SEGMENT_TAGS = [
   'EXT-X-DATERANGE',
   'EXT-X-MAP',
   'EXT-X-GAP',
+  'EXT-X-TILES',
 ];