Workaround for bug in Tegra 3 when uploading to a render target

src/gpu/GrCaps.cpp

Index: src/gpu/GrCaps.cpp
diff --git a/src/gpu/GrCaps.cpp b/src/gpu/GrCaps.cpp
index 2568e567fc5926b71d58d487d878f46e56a74980..4fb05c14a195a2cae8591daae64d52af031e4042 100644
--- a/src/gpu/GrCaps.cpp
+++ b/src/gpu/GrCaps.cpp
@@ -115,6 +115,7 @@ GrCaps::GrCaps(const GrContextOptions& options) {
     fDrawPathMasksToCompressedTextureSupport = options.fDrawPathToCompressedTexture;
     fGeometryBufferMapThreshold = options.fGeometryBufferMapThreshold;
     fUseDrawInsteadOfPartialRenderTargetWrite = options.fUseDrawInsteadOfPartialRenderTargetWrite;
+    fUseDrawInsteadOfAllRenderTargetWrites = false;
 
     fPreferVRAMUseOverFlushes = true;
 }