Create RotateImmeriveAppInFullscreenTest

Introduce a new test for when immersive apps are rotated. This test
makes sure that the rotation button appears on the screen after the
rotatation and the app is in fullscreen mode. Note that this test works
only on CF devices.

Test: Manual
Bug: 285849560
Change-Id: I325b0e4e8dac075080a1b4d4cc43eb7f7b6be6a5
5 files changed