Revert "Mark WindowMagnificationAnimationControllerTest as flaky"

This reverts commit db6048505566d0508843637baf78d208f346b0ff.

Reason for revert: Creating revert for re-enabling the test in presubmit

Bug: 308501761
Flag: N/A
Test: N/A
Change-Id: I26d02fb10c63e4e744729bb2af782bf659e36213
1 file changed