binder: recovery variant does not use libandroid_runtime_vm_headers

There's no Android Runtime in recovery anyways.

Test: builds
Change-Id: Iff202493241932ceb92988580150d6338058bc94
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index bb1b513..7ff128e 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -147,6 +147,11 @@
                 "UtilsHost.cpp",
             ],
         },
+        recovery: {
+            exclude_header_libs: [
+                "libandroid_runtime_vm_headers",
+            ],
+        },
     },
 
     aidl: {