Allow extended apps to change package name

For the added flexibility of allowing apps that extend from settings to
have a different package name, these instances of com.android.settings
as a xmlns need to be replaced with res-auto (which subsitutes the
package name at build time).

Bug: 174264676
Test: manual (sdk_gphone), make -j20 SettingsRoboTests
Change-Id: I03acda25dbf4d028cc73b77f41ad5dedca110ecb

res/drawable/wifi_friction.xml

@@ -15,7 +15,7 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
+        xmlns:settings="http://schemas.android.com/apk/res-auto">
     <item
         settings:state_encrypted="true"
         android:drawable="@drawable/ic_friction_lock_closed"/>

res/drawable/wifi_signal.xml

@@ -15,7 +15,7 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
+        xmlns:settings="http://schemas.android.com/apk/res-auto">
     <item settings:state_encrypted="true">
         <layer-list>
             <item>