Leanback tests: Updated guidedaction tests to use the new
ActivityTestRule - Added a separate test for toggling enable
flag for guidedactions - broke down the subaction tests
into smaller and more modular components

Used the new Espresso's ActivityTestRule for GuidedActions test.
Some of the tests were running longer than 30 seconds. Broke down
enable/disable flag tests for GuidedActions into two unit tests.
Also, created separate tests for verifying subactions of different
sizes.

Bug: 30943853
Change-Id: I55822792af8058f2477685a4681b6ff1b122f20e
1 file changed