Fix widget refresh issue on package install/uninstall

Culprit CL: https://googleplex-android-review.git.corp.google.com/#/c/592303/3/src/com/android/launcher3/LauncherModel.java

b/19658229

Change-Id: I02b0b2a0ed9bc3200bbe1edcb251cf0efe939e53
diff --git a/src/com/android/launcher3/LauncherAppWidgetHost.java b/src/com/android/launcher3/LauncherAppWidgetHost.java
index 840508a..a28fd25 100644
--- a/src/com/android/launcher3/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher3/LauncherAppWidgetHost.java
@@ -81,7 +81,8 @@
     protected void onProvidersChanged() {
         // Once we get the message that widget packages are updated, we need to rebind items
         // in AppsCustomize accordingly.
-        mLauncher.bindPackagesUpdated(LauncherModel.getSortedWidgetsAndShortcuts(mLauncher));
+        mLauncher.bindPackagesUpdated(LauncherModel.getSortedWidgetsAndShortcuts(mLauncher,
+                true /* refresh */));
 
         for (Runnable callback : mProviderChangeListeners) {
             callback.run();