Add rowBytes to createTestingOnlyBackendTexture

This is pulled out of:

https://skia-review.googlesource.com/c/skia/+/151983 (Test YUV images in DDL)

The YUV images seem to like to have row padding.

Change-Id: I517d2b63678beeafef88f86148fca15862176780
Reviewed-on: https://skia-review.googlesource.com/156367
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/tests/EGLImageTest.cpp b/tests/EGLImageTest.cpp
index bffc05f..0881cc4 100644
--- a/tests/EGLImageTest.cpp
+++ b/tests/EGLImageTest.cpp
@@ -88,7 +88,7 @@
     GrGpu* gpu1 = context1->contextPriv().getGpu();
     static const int kSize = 100;
     backendTexture1 =
-        gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, kRGBA_8888_GrPixelConfig,
+        gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, GrColorType::kRGBA_8888,
                                               false, GrMipMapped::kNo);
 
     if (!backendTexture1.isValid() || !gpu1->isTestingOnlyBackendTexture(backendTexture1)) {