The touch screen is probably a feature.

Also extend the feature APIs a bit.

Change-Id: I99e932d7f4e61edb0e20f75c55e9831e4b59a14d
diff --git a/test-runner/android/test/mock/MockPackageManager.java b/test-runner/android/test/mock/MockPackageManager.java
index beb9044..2f313af 100644
--- a/test-runner/android/test/mock/MockPackageManager.java
+++ b/test-runner/android/test/mock/MockPackageManager.java
@@ -430,6 +430,11 @@
     }
     
     @Override
+    public boolean hasSystemFeature(String name) {
+        throw new UnsupportedOperationException();
+    }
+    
+    @Override
     public boolean isSafeMode() {
         throw new UnsupportedOperationException();
     }