Move WS insets into WindowFrames

Moved inset values and calculations into WindowFrames. Also used
InsetUtils helper method to calculate inset diffs.

Test: go/winscope
Bug: 111359087
Change-Id: I90d1bd1faa36a08d5c4d7d93bbaae09a244e8ac1
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 32fa9bf..1536d18 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -3009,7 +3009,7 @@
             if (w.isVisibleLw() && (w.mAppToken != null || keyguard)) {
                 w.mWinAnimator.mDrawState = DRAW_PENDING;
                 // Force add to mResizingWindows.
-                w.mLastContentInsets.set(-1, -1, -1, -1);
+                w.resetLastContentInsets();
                 mService.mWaitingForDrawn.add(w);
             }
         }, true /* traverseTopToBottom */);