Do not hide new adding window for rotated transient launch

The hide operation is mainly used to avoid showing navigation bar
with inconsistent rotation after recents activity switches to next
app. So if the state stays at running recents, let the adding
windows show normally.

Bug: 302249163
Bug: 340979786
Test: Disable home rotation. Launch landscape app.
      Enter recents. Long press power key.
      The power menu should be visible.
Test: atest TransitionTests#testAppTransitionWithRotationChange
Merged-In: I692df7227773ff4ca49ff50a02a2eb300dfcd241
Change-Id: I692df7227773ff4ca49ff50a02a2eb300dfcd241
(cherry picked from commit 7970e4f9)