Removed some test code

sample/src/main/res/xml-v11/preferences.xml

@@ -6,7 +6,6 @@
         android:dialogMessage="@string/preference_dialog_message"
         android:dialogTitle="@string/preference_dialog_title"
         android:key="unused_key00"
-        android:layout="@layout/md_preference_custom"
         android:negativeButtonText="@android:string/cancel"
         android:positiveButtonText="@android:string/ok"
         android:summary="@string/material_dialog_pref_summary"
@@ -16,7 +15,6 @@
         android:entries="@array/preference_values"
         android:entryValues="@array/preference_values"
         android:key="unused_key01"
-        android:layout="@layout/md_preference_custom"
         android:persistent="true"
         android:summary="@string/list_pref_desc"
         android:title="@string/list_pref_title" />
@@ -25,7 +23,6 @@
         android:entries="@array/preference_values"
         android:entryValues="@array/preference_values"
         android:key="unused_key02"
-        android:layout="@layout/md_preference_custom"
         android:persistent="true"
         android:summary="@string/multilist_pref_desc"
         android:title="@string/multilist_pref_title" />
@@ -36,7 +33,6 @@
         android:dialogTitle="@string/edittext_pref_dialogtitle"
         android:inputType="textPersonName"
         android:key="unused_key03"
-        android:layout="@layout/md_preference_custom"
         android:persistent="true"
         android:summary="@string/edittext_pref_desc"
         android:title="@string/edittext_pref_title" />

sample/src/main/res/xml/preferences.xml

@@ -6,7 +6,6 @@
         android:dialogMessage="@string/preference_dialog_message"
         android:dialogTitle="@string/preference_dialog_title"
         android:key="unused_key00"
-        android:layout="@layout/md_preference_custom"
         android:negativeButtonText="@android:string/cancel"
         android:positiveButtonText="@android:string/ok"
         android:summary="@string/material_dialog_pref_summary"
@@ -16,7 +15,6 @@
         android:entries="@array/preference_values"
         android:entryValues="@array/preference_values"
         android:key="unused_key01"
-        android:layout="@layout/md_preference_custom"
         android:persistent="true"
         android:summary="@string/list_pref_desc"
         android:title="@string/list_pref_title" />
@@ -27,7 +25,6 @@
         android:dialogTitle="@string/edittext_pref_dialogtitle"
         android:inputType="textPersonName"
         android:key="unused_key03"
-        android:layout="@layout/md_preference_custom"
         android:persistent="true"
         android:summary="@string/edittext_pref_desc"
         android:title="@string/edittext_pref_title" />