Add device info slice in Contextual Settings Homepage

- Add device info card that implements CustomSliceable in Contextual
Settings Homepage.
- Add test case for device info slice.

Bug: 114790594, 115971399
Test: robotests, manual, SliceBrowser
Change-Id: I627a5b442e6ee20b3fd2e0500b31921bfec7b1d3

src/com/android/settings/slices/CustomSliceManager.java

@@ -21,6 +21,7 @@ import android.net.Uri;
 import android.util.ArrayMap;
 
 import com.android.settings.homepage.deviceinfo.DataUsageSlice;
+import com.android.settings.homepage.deviceinfo.DeviceInfoSlice;
 import com.android.settings.wifi.WifiSlice;
 
 import java.util.Map;
@@ -89,5 +90,6 @@ public class CustomSliceManager {
     private void addSlices() {
         mUriMap.put(WifiSlice.WIFI_URI, WifiSlice.class);
         mUriMap.put(DataUsageSlice.DATA_USAGE_CARD_URI, DataUsageSlice.class);
+        mUriMap.put(DeviceInfoSlice.DEVICE_INFO_CARD_URI, DeviceInfoSlice.class);
     }
 }