Fix bug #3338957 (Account Picker and Account type picker need love)

- update UI to match design requirements

Change-Id: Idb5dbea876eb7170a8c1f077a99cfe168d41f1e1
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 08ce256..25d3aca 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1341,7 +1341,9 @@
 
         <activity android:name="android.accounts.ChooseAccountActivity"
                 android:excludeFromRecents="true"
-                android:exported="true">
+                android:exported="true"
+                android:theme="@android:style/Theme.Holo.Dialog"
+                android:label="@string/choose_account_label">
         </activity>
 
         <activity android:name="android.accounts.GrantCredentialsPermissionActivity"