Build radio.fm.default.vendor with BOARD_VNDK_VERSION

Bug: 37342627
Test: BOARD_VNDK_VERSION=current m -j64 radio.fm.default.vendor
Change-Id: I77ad718472f531afdcf6519f3c9979eb1b936a58
diff --git a/modules/radio/Android.bp b/modules/radio/Android.bp
index 01dc035..7f98f0d 100644
--- a/modules/radio/Android.bp
+++ b/modules/radio/Android.bp
@@ -23,6 +23,7 @@
         "-Wno-unused-parameter",
         "-Werror",
     ],
+    header_libs: ["libhardware_headers"],
     shared_libs: [
         "liblog",
         "libcutils",