Update session types to have base_platform and base_arch

lib/msf/base/sessions/meterpreter_android.rb

@@ -16,7 +16,8 @@ class Meterpreter_Java_Android < Msf::Sessions::Meterpreter_Java_Java
 
   def initialize(rstream, opts={})
     super
-    self.platform = 'java/android'
+    self.base_platform = 'android'
+    self.base_arch = ARCH_JAVA
   end
 
   def load_android

lib/msf/base/sessions/meterpreter_armle_linux.rb

@@ -19,7 +19,8 @@ class Meterpreter_armle_Linux < Msf::Sessions::Meterpreter
   end
   def initialize(rstream, opts={})
     super
-    self.platform = 'armle/linux'
+    self.base_platform = 'linux'
+    self.base_arch = ARCH_ARMLE
   end
 end
 

lib/msf/base/sessions/meterpreter_mipsle_linux.rb

@@ -19,7 +19,8 @@ class Meterpreter_mipsle_Linux < Msf::Sessions::Meterpreter
   end
   def initialize(rstream, opts={})
     super
-    self.platform = 'mipsle/linux'
+    self.base_platform = 'linux'
+    self.base_arch = ARCH_MIPSLE
   end
 end