IR HAL Target-side test

Test: make vts; vts-tradefed run -m HalIrHidlTargetTest
Change-Id: I6b750f66a0bc207056abcb493693baebc8af81a5
Signed-off-by: Connor O'Brien <connoro@google.com>
diff --git a/ir/Android.bp b/ir/Android.bp
index ba90f2c..ed19a37 100644
--- a/ir/Android.bp
+++ b/ir/Android.bp
@@ -2,4 +2,5 @@
 subdirs = [
     "1.0",
     "1.0/default",
+    "1.0/vts/functional",
 ]