Initial version of radio hal

Test: No build issues. Unused interface; nothing to test yet.

Bug: 32020264
Change-Id: Ie57eb43b777dadbc0b0350f2e33227be3f1d65f1
diff --git a/Android.bp b/Android.bp
index 3cf3b3b..5d7c8b8 100644
--- a/Android.bp
+++ b/Android.bp
@@ -3,6 +3,7 @@
     "benchmarks/msgq/1.0",
     "nfc/1.0",
     "nfc/1.0/default",
+    "radio/1.0",
     "tests/bar/1.0",
     "tests/baz/1.0",
     "tests/expression/1.0",