Fix AccessibilityController did not receive window show event.

Regression from ag/26076104, which don't want to play enter animation
for the window below starting window.
There should still pass window show event to accessibility controller,
even when no animation occur.

Bug: 323823925
Test: atest AccessibilityMagnificationTest
Change-Id: I81dff952872743db88fb011f89be0f378cf77ad2