implement LayoutParams.resolveLayoutDirection() callback

This is needed to make androidx ConstraintLayout behave correctly

src/api-impl/android/view/LayoutInflater.java

@@ -153,6 +153,7 @@ public class LayoutInflater {
 
 				// Create layout params that match root, if supplied
 				params = root.generateLayoutParams(attrs);
+				params.resolveLayoutDirection(root.getLayoutDirection());
 				if (!attachToRoot) {
 					// Set the layout params for temp if we are not
 					// attaching. (If we are, we use addView, below)
@@ -219,6 +220,7 @@ public class LayoutInflater {
 				final View view = createViewFromTag(parent, name, attrs);
 				final ViewGroup viewGroup = (ViewGroup)parent;
 				final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs);
+				params.resolveLayoutDirection(viewGroup.getLayoutDirection());
 				rInflate(parser, view, attrs, true);
 				viewGroup.addView(view, params);
 			}
@@ -261,6 +263,7 @@ public class LayoutInflater {
 			if (params == null) {
 				params = group.generateLayoutParams(childAttrs);
 			}
+			params.resolveLayoutDirection(group.getLayoutDirection());
 			view.setLayoutParams(params);
 			// Inflate all children.
 			rInflate(childParser, view, childAttrs, true);

src/api-impl/android/view/ViewGroup.java

@@ -9,7 +9,6 @@ import java.util.ArrayList;
 import java.util.Iterator;
 
 public class ViewGroup extends View implements ViewParent, ViewManager {
-	public int id;
 	public ArrayList<View> children;
 
 	public ViewGroup(Context context) {
@@ -336,6 +335,8 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 			a.recycle();
 		}
 
+		public void resolveLayoutDirection(int layoutDirection) {}
+
 		/**
 		 * Used to animate layouts.
 		 */
@@ -397,6 +398,8 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 		public void setMarginEnd(int marginEnd) {
 			rightMargin = marginEnd;
 		}
+
+		public int getLayoutDirection() { return LAYOUT_DIRECTION_LTR; }
 	}
 
 	public interface OnHierarchyChangeListener {