Rename //mojo/public:bindings -> mojo:bindings_java

mojo/public/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 group("public") {
   # Meta-target, don't link into production code.
   testonly = true
   deps = [
     ":sdk",
     "cpp/bindings",
     "interfaces/bindings/tests:test_interfaces",
   ]
 
   if (is_android) {
     deps += [
-      "java:bindings",
-      "java:system",
+      "java:bindings_java",
+      "java:system_java",
     ]
   }
 }
 
 group("sdk") {
   deps = [
     "c/system",
     "cpp/bindings",
     "interfaces/bindings",
     "js",
   ]
 }