Move all ShaderBuilder files to GLSL

BUG=skia:

Review URL: https://codereview.chromium.org/1438003003
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 7b99700..872fdfd 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -336,7 +336,8 @@
 #include "SkGr.h"
 #include "effects/GrTextureStripAtlas.h"
 #include "gl/GrGLFragmentProcessor.h"
-#include "gl/builders/GrGLProgramBuilder.h"
+#include "glsl/GrGLSLFragmentShaderBuilder.h"
+#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
 
 class ColorTableEffect : public GrFragmentProcessor {
@@ -419,7 +420,7 @@
                                                 "yoffsets", &yoffsets);
     static const float kColorScaleFactor = 255.0f / 256.0f;
     static const float kColorOffsetFactor = 1.0f / 512.0f;
-    GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+    GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
     if (nullptr == args.fInputColor) {
         // the input color is solid white (all ones).
         static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor;
@@ -501,7 +502,7 @@
 }
 
 void ColorTableEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
-                                         GrProcessorKeyBuilder* b) const {
+                                           GrProcessorKeyBuilder* b) const {
     GLColorTableEffect::GenKey(*this, caps, b);
 }