Support accessibility shortcut secondary action (8/n)

Integrate with the multiple shortcut selections and change the behavior as below:
- Get the shortcut type from system provider or shared_prefs if this is first time to use.
- Update the shared_prefs for what user seen.

Bug: 142530063
Bug: 142531156
Test: make RunSettingsRoboTests2
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AccessibilityUtilTest
Change-Id: I58aeb960e2c4aa0bc2432be34c1372c0de89117a
6 files changed