Fix float and half float support on mobile.

tests/FloatingPointTextureTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * This is a straightforward test of floating point textures, which are
  * supported on some platforms.  As of right now, this test only supports
@@ skipping 109 matching lines @@
             
             // 16-bit floating point textures are NOT supported everywhere
             if (NULL == fpTexture) {
                 continue;
             }
             
             // write square
             fpTexture->writePixels(0, 0, DEV_W, DEV_H, desc.fConfig, controlPixelData, 0);
             fpTexture->readPixels(0, 0, DEV_W, DEV_H, desc.fConfig, readBuffer, 0);
             for (int j = 0; j < HALF_CONTROL_ARRAY_SIZE; ++j) {
-                SkASSERT(readBuffer[j] == controlPixelData[j]);
                 REPORTER_ASSERT(reporter, readBuffer[j] == controlPixelData[j]);
             }
         }
     }
 }
 
 #endif