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/Utility/LinuxSignals.cpp b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
index 11a3eef..3be122b 100644
--- a/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
+++ b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
@@ -12,7 +12,7 @@
 // Project includes
 #include "LinuxSignals.h"
 
-using namespace process_linux;
+using namespace lldb_private::process_linux;
 
 LinuxSignals::LinuxSignals()
     : UnixSignals()
diff --git a/lldb/source/Plugins/Process/Utility/LinuxSignals.h b/lldb/source/Plugins/Process/Utility/LinuxSignals.h
index 9645b3d..5102bcb 100644
--- a/lldb/source/Plugins/Process/Utility/LinuxSignals.h
+++ b/lldb/source/Plugins/Process/Utility/LinuxSignals.h
@@ -16,8 +16,8 @@
 // Project includes
 #include "lldb/Target/UnixSignals.h"
 
-namespace process_linux
-{
+namespace lldb_private {
+namespace process_linux {
 
     /// Linux specific set of Unix signals.
     class LinuxSignals
@@ -30,6 +30,8 @@
         void
         Reset();
     };
-}
+
+} // namespace lldb_private
+} // namespace process_linux
 
 #endif
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextLinux_mips64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_mips64.cpp
index 9b328e5..ccb6da4 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextLinux_mips64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_mips64.cpp
@@ -17,8 +17,9 @@
 #include "Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h"
 #include "RegisterContext_mips64.h"
 
-using namespace lldb_private;
 using namespace lldb;
+using namespace lldb_private;
+using namespace lldb_private::process_linux;
 
 // GP registers
 typedef struct _GPR