Merge "Fix WindowOnBackInvokedDispatcherTest flake" into main

        waitForIdle();

        onBackCancelledCalled.await(1000, TimeUnit.MILLISECONDS);

        verify(mWindowSession, timeout(1000)).setOnBackInvokedCallbackInfo(Mockito.eq(mWindow),

                isNull());

        waitForIdle();

        // verify that onBackCancelled is called exactly once in this case

        assertEquals(0, onBackCancelledCalled.getCount());

        assertEquals(0, onBackInvokedCalled.get());

        verify(mWindowSession).setOnBackInvokedCallbackInfo(Mockito.eq(mWindow), isNull());

        assertFalse(mDispatcher.mProgressAnimator.isBackAnimationInProgress());

    }