Make folder for batches

BUG=skia:

Review URL: https://codereview.chromium.org/1277233002
diff --git a/src/gpu/GrAtlasTextContext.cpp b/src/gpu/GrAtlasTextContext.cpp
index c8c5760..7adcbc1 100644
--- a/src/gpu/GrAtlasTextContext.cpp
+++ b/src/gpu/GrAtlasTextContext.cpp
@@ -6,7 +6,6 @@
  */
 #include "GrAtlasTextContext.h"
 
-#include "GrBatch.h"
 #include "GrBatchFontCache.h"
 #include "GrBatchTarget.h"
 #include "GrBatchTest.h"
@@ -38,6 +37,8 @@
 #include "SkTextBlob.h"
 #include "SkTextMapStateProc.h"
 
+#include "batches/GrBatch.h"
+
 #include "effects/GrBitmapTextGeoProc.h"
 #include "effects/GrDistanceFieldGeoProc.h"