Update SkSurface MakeFromBackend* factories to take an SkColorType.

Bug: skia:
Change-Id: Ib1b03b1181ec937843eac2e8d8cb03ebe53e32c1
Reviewed-on: https://skia-review.googlesource.com/86760
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/tests/GrMipMappedTest.cpp b/tests/GrMipMappedTest.cpp
index 91fba5f..0ff0d2c 100644
--- a/tests/GrMipMappedTest.cpp
+++ b/tests/GrMipMappedTest.cpp
@@ -53,6 +53,7 @@
                                                                            backendTex,
                                                                            kTopLeft_GrSurfaceOrigin,
                                                                            0,
+                                                                           kRGBA_8888_SkColorType,
                                                                            nullptr,
                                                                            nullptr);
 
@@ -221,6 +222,7 @@
                                                             backendTex,
                                                             kTopLeft_GrSurfaceOrigin,
                                                             0,
+                                                            kRGBA_8888_SkColorType,
                                                             nullptr,
                                                             nullptr);
             } else {