Don't recurse into configurable properties in filterPropertyStructFields

filterPropertyStructFields should treat configurable properties as
leaf nodes and not recurse into them. Configurable properties can be
made arch_variant, at least while we transition to full use of
Configurable.

Bug: 323382414
Test: soong tests when changing enabled to be configurable
Change-Id: Ib22dd3797f69e912dab0e0c3c1030d6c1f04db7e

context.go

@@ -4125,6 +4125,13 @@ func (c *Context) ModuleErrorf(logicModule Module, format string,
 	args ...interface{}) error {
 
 	module := c.moduleInfo[logicModule]
+	if module == nil {
+		// This can happen if ModuleErrorf is called from a load hook
+		return &BlueprintError{
+			Err: fmt.Errorf(format, args...),
+		}
+	}
+
 	return &ModuleError{
 		BlueprintError: BlueprintError{
 			Err: fmt.Errorf(format, args...),
@@ -4138,8 +4145,14 @@ func (c *Context) PropertyErrorf(logicModule Module, property string, format str
 	args ...interface{}) error {
 
 	module := c.moduleInfo[logicModule]
-	pos := module.propertyPos[property]
+	if module == nil {
+		// This can happen if PropertyErrorf is called from a load hook
+		return &BlueprintError{
+			Err: fmt.Errorf(format, args...),
+		}
+	}
 
+	pos := module.propertyPos[property]
 	if !pos.IsValid() {
 		pos = module.pos
 	}

proptools/filter.go

@@ -85,8 +85,8 @@ func filterPropertyStructFields(fields []reflect.StructField, prefix string, max
 			ptrToStruct = true
 		}
 
-		// Recurse into structs
-		if ptrToStruct || isStruct(field.Type) {
+		// Recurse into structs, except if they are configurable properties
+		if !isConfigurable(field.Type) && (ptrToStruct || isStruct(field.Type)) {
 			subMaxTypeNameSize := maxTypeNameSize
 			if maxTypeNameSize > 0 {
 				// In the worst case where only this nested struct will fit in the outer struct, the