libhardware: tests/tools to vendor

Since these are vendor interfaces, and we are
preventing system tools from using these.

Bug: 37280010
Test: build
Change-Id: I9ffcb4db015de498e1935c96a2866d26b3c936c4

modules/radio/Android.bp

@@ -43,6 +43,7 @@ cc_library_shared {
 // Stub radio tool that can be run in native.
 cc_binary {
     name: "radio_hal_tool",
+    vendor: true,
     srcs: ["radio_hal_tool.c"],
     cflags: [
         "-Wall",

tests/hardware/Android.bp

@@ -21,5 +21,7 @@ cc_library_static {
         "-Werror",
     ],
 
+    vendor: true,
+
     include_dirs: ["system/media/camera/include"],
 }