Fix Caption Handle Disappearance

Solve the issue where caption handle keeps disappearing in freeform mode.

Test: Manually tested in freeform.
Bug: 308663385
Change-Id: I24233edbd2440e373cb9c40701e2f8f2cf79707a

libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeFocusedWindowDecorationViewHolder.kt

@@ -42,11 +42,11 @@ internal class DesktopModeFocusedWindowDecorationViewHolder(
     }
 
     override fun onHandleMenuOpened() {
-        animateCaptionHandleAlpha(startValue = 0f, endValue = 1f)
+        animateCaptionHandleAlpha(startValue = 1f, endValue = 0f)
     }
 
     override fun onHandleMenuClosed() {
-        animateCaptionHandleAlpha(startValue = 1f, endValue = 0f)
+        animateCaptionHandleAlpha(startValue = 0f, endValue = 1f)
     }
 
     private fun getCaptionHandleBarColor(taskInfo: RunningTaskInfo): Int {