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/source/Plugins/Process/Linux/LinuxThread.cpp b/lldb/source/Plugins/Process/Linux/LinuxThread.cpp
index 78668e6..e3b72ef 100644
--- a/lldb/source/Plugins/Process/Linux/LinuxThread.cpp
+++ b/lldb/source/Plugins/Process/Linux/LinuxThread.cpp
@@ -15,6 +15,7 @@
 
 using namespace lldb;
 using namespace lldb_private;
+using namespace lldb_private::process_linux;
 
 //------------------------------------------------------------------------------
 // Constructors and destructors.