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/Launcher.java b/src/com/android/launcher3/Launcher.java
index 9c4632c..bf03f74 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -4103,7 +4103,7 @@
         }
         if (mAppsCustomizeContent != null) {
             mAppsCustomizeContent.onPackagesUpdated(
-                    LauncherModel.getSortedWidgetsAndShortcuts(this));
+                    LauncherModel.getSortedWidgetsAndShortcuts(this, false /* refresh */));
         }
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.bindAllApplications(apps);