HTML injection fix for bluetooth pairing, issue 65946

During bluetooth pairing, HTML injection is possible via the device name displayed to the user. This escapes the device name, before creating HTML from it, so it will preserve things like < and > but will not affect rendering of HTML

Bug: 12976386
Change-Id: I8a02d3be8c1a779dc9ed1c9ef8083a1159ab3f2b