Shortcut crash fix

Title was empty which caused launcher to crash. If title is empty the shortcut is invalid so we want to remove it.

Fix: 300213039
Flag: no flag
Test: no test
Change-Id: Ifa12877b9ac1d8bc266b74a95b6975b7f1bcf31e

src/com/android/launcher3/provider/LauncherDbUtils.java

@@ -120,6 +120,10 @@ public class LauncherDbUtils {
                 deletedShortcuts.add(lc.id);
                 continue;
             }
+            if (TextUtils.isEmpty(lc.getTitle())) {
+                deletedShortcuts.add(lc.id);
+                continue;
+            }
 
             // Make sure the target intent can be launched without any permissions. Otherwise remove
             // the shortcut