Boot HAL target-side test

Test: make vts; vts-tradefed run -m HalBootHidlTargetTest
Bug: 32022514
Change-Id: I65606790cc3b2f93d6706b70fad21c172635e0c7
Signed-off-by: Connor O'Brien <connoro@google.com>
diff --git a/boot/1.0/vts/Android.bp b/boot/1.0/vts/Android.bp
new file mode 100644
index 0000000..7aef46b
--- /dev/null
+++ b/boot/1.0/vts/Android.bp
@@ -0,0 +1,3 @@
+subdirs = [
+    "*"
+]