Check if the device is already in desktop mode before entering it

The tests will throw an error complaining that the device is already in
desktop mode when being run in Android desktop devices.

Bug: 422301310
Test: atest PlatformScenarioTests
Flag: EXEMPT DESKTOP ONLY
Change-Id: I7d4caf9eb5442718220eace255611de895da2784

parent e38d5719

tests/FlickerTests/test-apps/app-helpers/src/com/android/server/wm/flicker/helpers/DesktopModeAppHelper.kt

+2 −0

Original line number	Diff line number	Diff line
		@@ -85,6 +85,8 @@ open class DesktopModeAppHelper(private val innerHelper: IStandardAppHelper) :
		shouldUseDragToDesktop: Boolean = false,
		) {
		innerHelper.launchViaIntent(wmHelper)
		if (isInDesktopWindowingMode(wmHelper)) return

		if (shouldUseDragToDesktop) {
		enterDesktopModeWithDrag(
		wmHelper = wmHelper,