Moving come helper methods to corresponding classes

> Moving isPackageEnabled to InstallShortcutReceiver
> Moving the deep shortcut map to the data model
> Removing appInfo.flags. Instead fetching the flags when needed

Change-Id: I654dd8acefa7b7d183b0419afbe112bef001d536

src/com/android/launcher3/InstallShortcutReceiver.java

@@ -226,7 +226,8 @@ public class InstallShortcutReceiver extends BroadcastReceiver {
                 String packageName = pendingInfo.getTargetPackage();
                 if (!TextUtils.isEmpty(packageName)) {
                     UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
-                    if (!LauncherModel.isValidPackage(context, packageName, myUserHandle)) {
+                    if (!LauncherAppsCompat.getInstance(context)
+                            .isPackageEnabledForProfile(packageName, myUserHandle)) {
                         if (DBG) Log.d(TAG, "Ignoring shortcut for absent package: "
                                 + pendingInfo.launchIntent);
                         continue;