Set display cutout mode after setContentView()

If content parent is not initialized, window will set display cutout
mode when setContentView is called.

Fixes: 296469545
Test: atest CtsWindowManagerDeviceTestCases:android.server.wm.ForceRelayoutTest

Change-Id: Id90004ce46366ad3a85900e70fc772ce9770154e
1 file changed