Move all text stuff to its own folder

src/gpu/GrTest.cpp

Index: src/gpu/GrTest.cpp
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index 755fabc2158f3a7c3915013e782375341fcb1bfb..98ebe0621ea6609a73fbf61d6f94a2a04401f84c 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -9,18 +9,19 @@
 #include "GrTest.h"
 
 #include "GrBatchAtlas.h"
-#include "GrBatchFontCache.h"
 #include "GrContextOptions.h"
 #include "GrDrawContext.h"
 #include "GrDrawingManager.h"
 #include "GrGpuResourceCacheAccess.h"
 #include "GrResourceCache.h"
-#include "GrTextBlobCache.h"
 
 #include "SkGpuDevice.h"
 #include "SkGrPriv.h"
 #include "SkString.h"
 
+#include "text/GrBatchFontCache.h"
+#include "text/GrTextBlobCache.h"
+
 namespace GrTest {
 void SetupAlwaysEvictAtlas(GrContext* context) {
     // These sizes were selected because they allow each atlas to hold a single plot and will thus