Reland: mus: Add views_mus_interactive_ui_tests target

ui/views/run_all_unittests.cc

Index: ui/views/run_all_unittests.cc
diff --git a/ui/views/run_all_unittests.cc b/ui/views/run_all_unittests.cc
index 19f72a6082797b455c604c636d4ab63fecf386df..e3d37e87ceb1c9c7dfc651b243bf59aed322ff04 100644
--- a/ui/views/run_all_unittests.cc
+++ b/ui/views/run_all_unittests.cc
@@ -33,6 +33,11 @@ int ViewTestSuite::RunTests() {
       argc_, argv_, base::Bind(&ViewTestSuite::Run, base::Unretained(this)));
 }
 
+int ViewTestSuite::RunTestsSerially() {
+  return base::LaunchUnitTestsSerially(
+      argc_, argv_, base::Bind(&ViewTestSuite::Run, base::Unretained(this)));
+}
+
 void ViewTestSuite::Initialize() {
   base::TestSuite::Initialize();
   gfx::GLSurfaceTestSupport::InitializeOneOff();