Update Android.bp to reflect aosp/2763825

Test: Ran cargo2android. Treehugger.
Change-Id: I08c0fef892feb2a92d9cd236e86c2d1717c872b4
diff --git a/Android.bp b/Android.bp
index b0ae081..54a73f5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -36,8 +36,6 @@
         "libtempfile",
         "libthiserror",
     ],
-    product_available: true,
-    vendor_available: true,
 }
 
 rust_test_host {
@@ -80,6 +78,4 @@
         "libtempfile",
         "libthiserror",
     ],
-    product_available: true,
-    vendor_available: true,
 }