DirectActions are abstract actions defined by an Activtiy. The
actual definition of these actions will be available through
the support lib.
This API provides a secure channel for system or assistant to
interact with a running app using these Actions.
Test: atest CtsVoiceInteractionTestCases
Test: added android.voiceinteraction.cts.DirectActionsTest
Bug: 129705716
Exempt-From-Owner-Approval: Resolving merge conflict
Change-Id: I0ce568e0d8f41e0fe46306052016a74c7b394efa
(cherry picked from commit d40c345536)
70db79ab0f