Update Android.bp to reflect aosp/2763825

Test: Ran cargo2android. Treehugger.
Change-Id: I8efa1238d012aeff9ea442fc25ad49ae4635df1c
diff --git a/Android.bp b/Android.bp
index b89003e..6286726 100644
--- a/Android.bp
+++ b/Android.bp
@@ -15,6 +15,4 @@
         "libsyn",
     ],
     compile_multilib: "first",
-    product_available: true,
-    vendor_available: true,
 }