Hide spannable link if it's not actionable

Created a new constructor that detects if intent is actionable and set a
flag in LinkInfo.

In fragments, first check if linkInfo is actionable, if not, don't do
anything with it.

Change-Id: Ibda12ecac2545d696acc7c197fc315e423b984aa
Fixes: 74726487
Test: make RunSettingsRoboTests -j