Tying LauncherAppState lifecycle with LauncherProvider

The content provider is the first component started with the main process,
which makes it ideal for initiating LauncherAppState

Change-Id: I03db82a8949ad1376af53a0033592f421dbf0b15

src/com/android/launcher3/InstallShortcutReceiver.java

@@ -171,7 +171,6 @@ public class InstallShortcutReceiver extends BroadcastReceiver {
 
     private static void queuePendingShortcutInfo(PendingInstallShortcutInfo info, Context context) {
         // Queue the item up for adding if launcher has not loaded properly yet
-        LauncherAppState.setApplicationContext(context.getApplicationContext());
         LauncherAppState app = LauncherAppState.getInstance();
         boolean launcherNotLoaded = app.getModel().getCallback() == null;