Update from https://crrev.com/327068

mojo/tools/roll/build_v8.patch

Index: mojo/tools/roll/build_v8.patch
diff --git a/mojo/tools/roll/build_v8.patch b/mojo/tools/roll/build_v8.patch
index 7de0f0a5bfda89dc5b54bfe1e3a5e31000130cc2..5575f24cebd2669e8866115df7626dce20f4f04f 100644
--- a/mojo/tools/roll/build_v8.patch
+++ b/mojo/tools/roll/build_v8.patch
@@ -1,13 +1,12 @@
 diff --git a/build/module_args/v8.gni b/build/module_args/v8.gni
-index df6a4a3..05b673b 100644
+index db4ee4e..05b673b 100644
 --- a/build/module_args/v8.gni
 +++ b/build/module_args/v8.gni
-@@ -9,5 +9,7 @@ if (is_android) {
+@@ -9,4 +9,7 @@ if (is_android) {
  # TODO(sky): nuke this. Temporary while sorting out http://crbug.com/465456.
  enable_correct_v8_arch = false
  
--v8_use_external_startup_data =
--    !((is_android && is_android_webview_build) || is_chromeos || is_win)
+-v8_use_external_startup_data = !(is_chromeos || is_win)
 +# Many V8 users in mojo do not support external startup data for V8, so
 +# we disable it. If enabled, special care should be taken to ensure the
 +# appropriate startup data is correctly bundled for apps.