Revert "Change display Strings to CharSequence (2/2)"

This reverts commit bc25946f08a90175eb270e6f7ea5cc7a86fea73a.

Change-Id: I41fadc0fa0be7cfc9420fabf4f231968bc964d57
diff --git a/src/com/android/telecomm/PhoneAccountPreferencesActivity.java b/src/com/android/telecomm/PhoneAccountPreferencesActivity.java
index 18ea381..ae01497 100644
--- a/src/com/android/telecomm/PhoneAccountPreferencesActivity.java
+++ b/src/com/android/telecomm/PhoneAccountPreferencesActivity.java
@@ -62,9 +62,9 @@
             int i = 0;
             for ( ; i < accountHandles.size(); i++) {
                 entryValues[i] = Integer.toString(i);
-                entries[i] = new String(mRegistrar
+                entries[i] = mRegistrar
                         .getPhoneAccount(accountHandles.get(i))
-                        .getLabel());
+                        .getLabel();
                 if (Objects.equals(currentDefault, accountHandles.get(i))) {
                     selectedIndex = i;
                 }