Move several plugin to its own namespace

Affected paths:
* Plugins/Platform/Android/*
* Plugins/Platform/Linux/*
* Plugins/Platform/gdb-server/*
* Plugins/Process/Linux/*
* Plugins/Process/gdb-remote/*

Differential revision: http://reviews.llvm.org/D8654

llvm-svn: 233679
diff --git a/lldb/tools/lldb-server/lldb-platform.cpp b/lldb/tools/lldb-server/lldb-platform.cpp
index 2135633..00e4619 100644
--- a/lldb/tools/lldb-server/lldb-platform.cpp
+++ b/lldb/tools/lldb-server/lldb-platform.cpp
@@ -39,6 +39,7 @@
 
 using namespace lldb;
 using namespace lldb_private;
+using namespace lldb_private::process_gdb_remote;
 
 //----------------------------------------------------------------------
 // option descriptors for getopt_long_only()