Skip forwardInset with adjustResize test for IME insets

IME Insets are handled on the client for ADJUST_RESIZE in the new insets world, test
should be skipped.
Bug: 111084606
Test: atest DisplayPolicyLayoutTests

Change-Id: Ifa0fd69f0e77143b8011c9ae37c2436764a6e162

services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java

@@ -594,6 +594,8 @@ public class DisplayPolicyLayoutTests extends DisplayPolicyTestsBase {
 
     @Test
     public void layoutWindowLw_withForwardInset_SoftInputAdjustResize() {
+        assumeTrue(ViewRootImpl.sNewInsetsMode == ViewRootImpl.NEW_INSETS_MODE_NONE);
+
         mWindow.mAttrs.flags =
                 FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR | FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
         mWindow.mAttrs.softInputMode = SOFT_INPUT_ADJUST_RESIZE;