Update Android.bp to reflect aosp/2763825

Test: Ran cargo2android. Treehugger.
Change-Id: Ib5864e1e118cd4807ceceb8d14deb63e6fe7a954
diff --git a/Android.bp b/Android.bp
index de1e939..abf1bf4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -15,6 +15,4 @@
         "libunicode_width",
     ],
     compile_multilib: "first",
-    product_available: true,
-    vendor_available: true,
 }