Update from https://crrev.com/316786

mojo/tools/roll/skia_build.patch

Index: mojo/tools/roll/skia_build.patch
diff --git a/mojo/tools/roll/skia_build.patch b/mojo/tools/roll/skia_build.patch
index 1fdf63f085739f6326844cec6124936fecbc1c78..a2526910bbed07b807623e44851a9b950d74f419 100644
--- a/mojo/tools/roll/skia_build.patch
+++ b/mojo/tools/roll/skia_build.patch
@@ -1,8 +1,8 @@
 diff --git a/skia/BUILD.gn b/skia/BUILD.gn
-index 9aeaa0d..83c4d8b 100644
+index c793e0b..85ccce7 100644
 --- a/skia/BUILD.gn
 +++ b/skia/BUILD.gn
-@@ -11,18 +11,6 @@ if (cpu_arch == "arm") {
+@@ -12,18 +12,6 @@ if (cpu_arch == "arm") {
  skia_support_gpu = !is_ios
  skia_support_pdf = !is_ios && (enable_basic_printing || enable_print_preview)
  
@@ -21,13 +21,13 @@ index 9aeaa0d..83c4d8b 100644
  # The list of Skia defines that are to be set for chromium.
  gypi_skia_defines =
      exec_script("//build/gypi_to_gn.py",
-@@ -126,8 +114,7 @@ config("skia_config") {
-     "//third_party/skia/src/lazy",
+@@ -133,8 +121,7 @@ config("skia_config") {
+     "//third_party/skia/src/core",
    ]
  
 -  defines = gypi_blink_skia_defines.blink_skia_defines
 -  defines += gypi_skia_defines.skia_for_chromium_defines
 +  defines = gypi_skia_defines.skia_for_chromium_defines
  
-   defines += [
-     "SK_ENABLE_INST_COUNT=0",
+   defines += []
+