Revert of Remove rt flags that are not necessary

tests/GLProgramsTest.cpp

 
 /*
  * Copyright 2011 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 GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 182 matching lines @@
     if (random->nextBool()) {
         pipelineBuilder->setStencil(kDoesWriteStencil);
     } else {
         pipelineBuilder->setStencil(kDoesNotWriteStencil);
     }
 }
 
 bool GrDrawTarget::programUnitTest(GrContext* context, int maxStages) {
     // setup dummy textures
     GrSurfaceDesc dummyDesc;
+    dummyDesc.fFlags = kRenderTarget_GrSurfaceFlag;
     dummyDesc.fConfig = kSkia8888_GrPixelConfig;
     dummyDesc.fWidth = 34;
     dummyDesc.fHeight = 18;
     SkAutoTUnref<GrTexture> dummyTexture1(
         fResourceProvider->createTexture(dummyDesc, false, NULL, 0));
     dummyDesc.fFlags = kNone_GrSurfaceFlags;
     dummyDesc.fConfig = kAlpha_8_GrPixelConfig;
     dummyDesc.fWidth = 16;
     dummyDesc.fHeight = 22;
     SkAutoTUnref<GrTexture> dummyTexture2(
@@ skipping 85 matching lines @@
             }
 #endif
             GrTestTarget target;
             context->getTestTarget(&target);
             REPORTER_ASSERT(reporter, target.target()->programUnitTest(context, maxStages));
         }
     }
 }
 
 #endif