Revert of enable new gradients + suppress gms for now

src/effects/gradients/SkClampRange.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkClampRange_DEFINED
 #define SkClampRange_DEFINED
 
 #include "SkFixed.h"
 #include "SkScalar.h"
 
+#define SK_SUPPORT_LEGACY_GRADIENT_PRECISION
+
 #ifdef SK_SUPPORT_LEGACY_GRADIENT_PRECISION
     #define SkGradFixed             SkFixed
     #define SkScalarToGradFixed     SkScalarToFixed
     #define SkFixedToGradFixed(x)   (x)
     #define SkGradFixedToFixed(x)   (x)
     #define kFracMax_SkGradFixed    0xFFFF
 #else
     #define SkGradFixed             SkFixed3232
     #define SkScalarToGradFixed     SkScalarToFixed3232
     #define SkFixedToGradFixed      SkFixedToFixed3232
@@ skipping 17 matching lines @@
                     // only valid if fCount1 > 0
     int fV0, fV1;
 
     void init(SkGradFixed fx, SkGradFixed dx, int count, int v0, int v1);
 
 private:
     void initFor1(SkGradFixed fx);
 };
 
 #endif