[Blimp client] Move client code into blimp::client namespace

blimp/client/compositor/blimp_compositor_android.cc

Index: blimp/client/compositor/blimp_compositor_android.cc
diff --git a/blimp/client/compositor/blimp_compositor_android.cc b/blimp/client/compositor/blimp_compositor_android.cc
index a78729a3153af4fbf6f889a36ee42a6688de821e..8158ac9e39f0877de42855148f9972686e706da7 100644
--- a/blimp/client/compositor/blimp_compositor_android.cc
+++ b/blimp/client/compositor/blimp_compositor_android.cc
@@ -15,6 +15,7 @@ const int kMinimumTileContentWidthPixels = 64;
 }
 
 namespace blimp {
+namespace client {
 
 // static
 scoped_ptr<BlimpCompositorAndroid> BlimpCompositorAndroid::Create(
@@ -90,4 +91,5 @@ void BlimpCompositorAndroid::GenerateLayerTreeSettings(
   settings->default_tile_size.SetSize(default_tile_size, default_tile_size);
 }
 
+}  // namespace client
 }  // namespace blimp