Update the widget spans after the provider changes

Bug: 24003213
Change-Id: I51ad5919a808ef10385d62a48a94589eefcb06bc
diff --git a/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
index 71a08a8..28d8052 100644
--- a/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
+++ b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
@@ -59,7 +59,7 @@
         initSpans();
     }
 
-    private void initSpans() {
+    public void initSpans() {
         LauncherAppState app = LauncherAppState.getInstance();
         InvariantDeviceProfile idp = app.getInvariantDeviceProfile();