Merge "Fix linter issues" into udc-dev

 *     Select "Auto-enter PiP" radio button

 *     Press Home button or swipe up to go Home and put [pipApp] in pip mode

 * ```

 *

 * Notes:

 * ```

 *     1. All assertions are inherited from [EnterPipTest]

 *     Launch an app in pip mode [pipApp],

 *     Swipe the pip window to the bottom-center of the screen and wait it disappear

 * ```

 *

 * Notes:

 * ```

 *     1. Some default assertions (e.g., nav bar, status bar and screen covered)

 *     Click on the pip window

 *     Click on dismiss button and wait window disappear

 * ```

 *

 * Notes:

 * ```

 *     1. Some default assertions (e.g., nav bar, status bar and screen covered)

 *     Launch [pipApp] on a fixed landscape orientation

 *     Broadcast action [ACTION_ENTER_PIP] to enter pip mode

 * ```

 *

 * Notes:

 * ```

 *     1. Some default assertions (e.g., nav bar, status bar and screen covered)

    @Presubmit

    @Test

    open fun pipAppLayerAlwaysVisible() {

        flicker.assertLayers {

            this.isVisible(pipApp)

        }

        flicker.assertLayers { this.isVisible(pipApp) }

    }

    /** Checks the content overlay appears then disappears during the animation */

    open fun pipOverlayLayerAppearThenDisappear() {

        val overlay = ComponentNameMatcher.PIP_CONTENT_OVERLAY

        flicker.assertLayers {

            this.notContains(overlay)

                .then()

                .contains(overlay)

                .then()

                .notContains(overlay)

            this.notContains(overlay).then().contains(overlay).then().notContains(overlay)

        }

    }