Revert of Defer glClear to just before draw call

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index de550b05c73dd1bbbe8c38876de96e946c039ad6..337f400056f87c9d48d7d536c6ae3d30568a4c55 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -62,7 +62,6 @@
 // a sub region of a larger source image.
 #define COLOR_BLEED_TOLERANCE 0.001f
 
-// Do deferred clear just before any draw call
 #define DO_DEFERRED_CLEAR()             \
     do {                                \
         if (fNeedClear) {               \
@@ -302,6 +301,7 @@
 }
 
 GrRenderTarget* SkGpuDevice::accessRenderTarget() {
+    DO_DEFERRED_CLEAR();
     return fRenderTarget;
 }