Trim all whitespace from titles and labels.

Bug: 20953160

Change-Id: I1610df5e445a4139522226f68fa6439926bc70c6
diff --git a/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
index bb4580c..af680f2 100644
--- a/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
+++ b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
@@ -66,7 +66,7 @@
 
     public String getLabel(PackageManager packageManager) {
         if (isCustomWidget) {
-            return label.toString().trim();
+            return Utilities.trim(label);
         }
         return super.loadLabel(packageManager);
     }