move require 'msf/core/post/android' to post.rb

lib/msf/core/post.rb

@@ -16,6 +16,7 @@ class Msf::Post < Msf::Module
   require 'msf/core/post/solaris'
   require 'msf/core/post/unix'
   require 'msf/core/post/windows'
+  require 'msf/core/post/android'
 
   include Msf::PostMixin
 

modules/post/android/manage/remove_lock.rb

@@ -4,7 +4,6 @@
 ##
 
 require 'msf/core'
-require 'msf/core/post/android'
 
 class Metasploit4 < Msf::Post
   Rank = NormalRanking