[Large sceen] Don't go Settings 2-pane deep link flow if not task root
When a full screen or a non-Settings-app ActivityA starts ActivityB of
a SettingsActivity, splitInfos will be empty and it unexpectedly goes
Settings 2-pane deep link flow.
This change checks if an Activity is not task root, don't go Settings
2-pane deep link flow.
Bug: 205497007
Test: manual
SUW -> Vision settings
Check if it goes Settings 2-pane deep link flow.
Change-Id: I0822fbe71fdde47ce7c070986371a4dfea84992c
1 file changed