GN (android): Append ".cr" to component .so's to avoid zygote lib collisions

mojo/public/mojo_application.gni

 # 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.
 
 import("mojo.gni")
+if (is_android) {
+  import("//build/config/android/config.gni")
+}
 
 # Generate a binary Mojo application in a self-named directory.
 # Application resources are copied to a "resources" directory alongside the app.
 # The parameters of this template are those of a shared library.
 template("mojo_native_application") {
   base_target_name = target_name
   if (defined(invoker.output_name)) {
     base_target_name = invoker.output_name
   }
 
@@ skipping 16 matching lines @@
       }
       deps = mojo_deps
     }
     mojo_deps += [ ":$copy_step_name" ]
   }
 
   if (!is_nacl) {
     output = base_target_name + ".mojo"
     library_target_name = base_target_name + "_library"
 
-    if (is_linux || is_android) {
+    if (is_linux) {
       library_name = "lib${library_target_name}.so"
+    } else if (is_android) {
+      library_name = "lib${library_target_name}${android_product_extension}"
     } else if (is_win) {
       library_name = "${library_target_name}.dll"
     } else if (is_mac) {
       library_name = "lib${library_target_name}.dylib"
     } else {
       assert(false, "Platform not supported.")
     }
 
     if (is_android) {
       # On android, use the stripped version of the library, because
@@ skipping 323 matching lines @@
         "--output=$rebase_output",
         "--line=#!mojo mojo:android_handler",
       ]
 
       public_deps = [
         ":$zip_action_name",
       ]
     }
   }
 }