Add functional vts test for Health HAL

Bug: 35915444
Test: Boot and run the test successfully on sailfish

Change-Id: I5965d1ffbc4f1a89454f962698ce67adc4c35293
Signed-off-by: Sandeep Patil <sspatil@google.com>
diff --git a/health/Android.bp b/health/Android.bp
index bbb3e4b..33f70eb 100644
--- a/health/Android.bp
+++ b/health/Android.bp
@@ -1,4 +1,5 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
     "1.0",
+    "1.0/vts/functional",
 ]