Handle the Settings.DEVICE_NAME_SETTINGS intent.

Historically, Settings hasn't had this intent because no screen was able
to change the device name. Until now!

Bug: 63819909
Test: Manual
Change-Id: I99ffba9934bf5fb47ec1b5a8f37868e16cc0b08c

AndroidManifest.xml

@@ -1013,6 +1013,7 @@
                   android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.DEVICE_INFO_SETTINGS" />
+                <action android:name="android.settings.DEVICE_NAME" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
             <intent-filter>