mojo: make libmojo_public_test_support a static library.

mojo/common/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 group("common") {
   public_deps = [
     ":common_base",
@@ skipping 79 matching lines @@
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/test_support:test_utils",
     "//testing/gtest",
     "//url",
   ]
 
   sources = [
     "common_custom_types_unittest.cc",
     "common_type_converters_unittest.cc",
   ]
-
-  if (is_linux && !is_component_build) {
-    # This tests dynamically loads libmojo_test_support even in non-component
-    # builds.
-    configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
-  }
 }
 
 test("mojo_common_perftests") {
   deps = [
     ":common",
     "//base",
     "//mojo/edk/test:run_all_perftests",
     "//mojo/public/cpp/test_support:test_utils",
     "//testing/gtest",
   ]
-
-  if (is_linux && !is_component_build) {
-    # This test dynamically loads libmojo_test_support even in non-component
-    # builds.
-    configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
-  }
 }