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/NativeThreadLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
index 38dd025..240803a 100644
--- a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
@@ -37,6 +37,7 @@
 
 using namespace lldb;
 using namespace lldb_private;
+using namespace lldb_private::process_linux;
 
 namespace
 {
@@ -157,7 +158,7 @@
     llvm_unreachable("unhandled StateType!");
 }
 
-lldb_private::NativeRegisterContextSP
+NativeRegisterContextSP
 NativeThreadLinux::GetRegisterContext ()
 {
     // Return the register context if we already created it.