Fix GYP cross-compilation issue w/ build_utf8_validator_tables.

build/gn_migration.gypi

Index: build/gn_migration.gypi
diff --git a/build/gn_migration.gypi b/build/gn_migration.gypi
index a09471d1fd2c1f84fe24ed618bdc0ad6ad66b57e..4ff45c1025c8e43e8be930b50af3d7dbd84b335b 100644
--- a/build/gn_migration.gypi
+++ b/build/gn_migration.gypi
@@ -37,7 +37,7 @@
         '../base/base.gyp:base_i18n_perftests',
         '../base/base.gyp:base_perftests',
         '../base/base.gyp:base_unittests',
-        '../base/base.gyp:build_utf8_validator_tables',
+        '../base/base.gyp:build_utf8_validator_tables#host',
         '../base/base.gyp:check_example',
         '../base/base.gyp:protect_file_posix',
         '../breakpad/breakpad.gyp:core-2-minidump',
@@ -153,7 +153,7 @@
         '../tools/gn/gn.gyp:gn_unittests',
         '../tools/imagediff/image_diff.gyp:image_diff',
         '../tools/perf/clear_system_cache/clear_system_cache.gyp:clear_system_cache',
-        '../tools/telemetry/telemetry.gyp:bitmaptools',
+        '../tools/telemetry/telemetry.gyp:bitmaptools#host',
         '../ui/accessibility/accessibility.gyp:accessibility_unittests',
         '../ui/app_list/app_list.gyp:app_list_unittests',
         '../ui/base/ui_base_tests.gyp:ui_base_unittests',
@@ -285,7 +285,6 @@
             '../tools/gn/gn.gyp:gn',
             '../tools/gn/gn.gyp:gn_unittests',
             '../tools/imagediff/image_diff.gyp:image_diff',
-            '../tools/telemetry/telemetry.gyp:bitmaptools',
             '../tools/gn/gn.gyp:gn',
             '../tools/gn/gn.gyp:gn_unittests',
             '../ui/app_list/app_list.gyp:app_list_unittests',