Fix copying of data in vulkan testing texture

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index e238911f49da665c9eeef0e2da501509c615d791..06c27ea2cfaf3b71791caf3b3b408ed4efa90972 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -655,7 +655,7 @@ sk_sp<GrDrawContext> GrContextPriv::makeBackendRenderTargetDrawContext(
 }
 
 sk_sp<GrDrawContext> GrContextPriv::makeBackendTextureAsRenderTargetDrawContext(
-                                                     const GrBackendTextureDesc& desc, 
+                                                     const GrBackendTextureDesc& desc,
                                                      sk_sp<SkColorSpace> colorSpace,
                                                      const SkSurfaceProps* surfaceProps) {
     ASSERT_SINGLE_OWNER_PRIV