Trim all whitespace from titles and labels.

Bug: 20953160

Change-Id: I1610df5e445a4139522226f68fa6439926bc70c6
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index a282805..7a3ae39 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -296,13 +296,14 @@
         mFolderName.setHint(sHintText);
         // Convert to a string here to ensure that no other state associated with the text field
         // gets saved.
-        String newTitle = mFolderName.getText().toString();
+        CharSequence newTitle = mFolderName.getText();
         mInfo.setTitle(newTitle);
         LauncherModel.updateItemInDatabase(mLauncher, mInfo);
 
         if (commit) {
             sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
-                    String.format(getContext().getString(R.string.folder_renamed), newTitle));
+                    String.format(getContext().getString(R.string.folder_renamed),
+                            newTitle.toString()));
         }
         // In order to clear the focus from the text field, we set the focus on ourself. This
         // ensures that every time the field is clicked, focus is gained, giving reliable behavior.