Use htmlspecialchars not htmlentities to escape tags on Version.

htmlentities assumes that the text is iso 8859-1 prior to php 5.4

Also we use htmlspecialchars almost everywhere else.

Bug: 67840
Change-Id: I73364ac34ef7a24c48c09ec1f87102a6cbee8d8f
Merge "Use htmlspecialchars not htmlentities to escape tags on Version."