Enabled Vulkan backend on as many tests as possible

Bug: angleproject:2694
Change-Id: I299d71e0857065d0f60204977d395793f921deaa
Reviewed-on: https://chromium-review.googlesource.com/1117702
Commit-Queue: Omar El Sheikh <theoking@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/tests/perf_tests/LinkProgramPerfTest.cpp b/src/tests/perf_tests/LinkProgramPerfTest.cpp
index 0fa0f01..c050662 100644
--- a/src/tests/perf_tests/LinkProgramPerfTest.cpp
+++ b/src/tests/perf_tests/LinkProgramPerfTest.cpp
@@ -135,6 +135,13 @@
     return params;
 }
 
+LinkProgramParams LinkProgramVulkanParams()
+{
+    LinkProgramParams params;
+    params.eglParameters = VULKAN();
+    return params;
+}
+
 TEST_P(LinkProgramBenchmark, Run)
 {
     run();
@@ -143,6 +150,7 @@
 ANGLE_INSTANTIATE_TEST(LinkProgramBenchmark,
                        LinkProgramD3D11Params(),
                        LinkProgramD3D9Params(),
-                       LinkProgramOpenGLOrGLESParams());
+                       LinkProgramOpenGLOrGLESParams(),
+                       LinkProgramVulkanParams());
 
 }  // anonymous namespace