Update Android.bp to reflect aosp/2763825

Test: Ran cargo2android. Treehugger.
Change-Id: I5d24edb78644b6116f427a2ffe047aa0246b8cf1
diff --git a/Android.bp b/Android.bp
index 1e197b2..9ad59f0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -59,6 +59,4 @@
         "liblibc",
         "liblibloading",
     ],
-    product_available: true,
-    vendor_available: true,
 }