Remember to removeWindowLayoutInfoListener

This doesn't fully fix the tests. However, it does at least allow
the test to progress further and retrieve WindowLayoutInfo more than
once.

Bug: 255240808
Test: android.server.wm.jetpack.ExtensionWindowLayoutComponentTest#testGetWindowLayoutInfo_configChanged_windowLayoutUpdates

Change-Id: I169af9525e801d9fc645bbe3f76349b350333d32
Merged-In: I0b1a6bc54217f5becc8e6ab44c151c37e5fe0e04