Custom attribute namespace change in 23.3.0

[cameocoder]

If you update your build config to use version 23.3.0 of the android libraries, you also need to change the namespace used for the custom attribute minLength in prefs_general.xml:

Here is the diff:

diff --git a/app/src/main/res/xml/pref_general.xml b/app/src/main/res/xml/pref_general.xml
index a8b175b..92c4d04 100644
--- a/app/src/main/res/xml/pref_general.xml
+++ b/app/src/main/res/xml/pref_general.xml
@@ -16,7 +16,7 @@
-->
<PreferenceScreen
xmlns:android="http://schemas.android.com/apk/res/android"

• xmlns:custom="http://schemas.android.com/apk/res/com.example.android.sunshine.app"
• xmlns:custom="http://schemas.android.com/apk/lib/com.example.android.sunshine.app"
  android:layout_width="match_parent"
  android:layout_height="match_parent">