Rename createTestingOnlyBackendTexture to createBackendTexture

and other cruft from https://skia-review.googlesource.com/c/skia/+/214445 (Expand backend allocation API to allow an initialization color)

Change-Id: I33f53fde2bda6ed44e2eaf0772c629288adc00a7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215120
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tools/DDLPromiseImageHelper.cpp b/tools/DDLPromiseImageHelper.cpp
index 799efc0..7479113 100644
--- a/tools/DDLPromiseImageHelper.cpp
+++ b/tools/DDLPromiseImageHelper.cpp
@@ -84,10 +84,9 @@
 
         GrBackendFormat format = caps->getBackendFormatFromGrColorType(GrColorType::kRG_88,
                                                                        GrSRGBEncoded::kNo);
-        tex = gpu->createTestingOnlyBackendTexture(
-            pm.width(), pm.height(), format,
-            GrMipMapped::kNo, GrRenderable::kNo,
-            pixels, 2 * pm.width());
+        tex = gpu->createBackendTexture(pm.width(), pm.height(), format,
+                                        GrMipMapped::kNo, GrRenderable::kNo,
+                                        pixels, 2 * pm.width());
     } else {
         tex = gpu->createTestingOnlyBackendTexture(
             pm.width(), pm.height(), pm.colorType(),