Bug 960800 - [B2G][SMS][RTSP] RTSP link doesn't appear as hyperlink when SMS is received

- add hyperlink support to rtsp protocol
Merge pull request #23624 from luke-chang/960800_sms_rtsp_link_support

Bug 960800 - [B2G][SMS][RTSP] RTSP link doesn't appear as hyperlink when SMS is received