RenderScript VTS implementation

Contains the gtest for the vts-hidl-hal test. The goal is to have
1 test case for each HIDL HAL entry by 3/15/17. There are still a few
tests with bugs, so they have been commented out and will be fixed by
3/17/17.

Bug: 34396220
Bug: 35915961

Test: mm and run on angler
Change-Id: I20462432a42e3aa307b98e728f30f20f5aa1e921
diff --git a/renderscript/Android.bp b/renderscript/Android.bp
index ba90f2c..ed19a37 100644
--- a/renderscript/Android.bp
+++ b/renderscript/Android.bp
@@ -2,4 +2,5 @@
 subdirs = [
     "1.0",
     "1.0/default",
+    "1.0/vts/functional",
 ]