Add method to check shortcut type that would be used in implementing different shortcut UI. Bug: 145490632 Test: make -j52 RunSettingsRoboTests ROBOTEST_FILTER=AccessibilityUtil Change-Id: I5468ff50df35cc0b80f0ae55019164f334ba6c59
Bug: 135056871 Test: manual, robotests Change-Id: Ibc730004f1a25a2e97abcc0bbad2dfc9b420d645