Only set -rpath=$ORIGIN in component builds by default.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index d5616db05a7a814e5e2587ce978b7d745514676e..8168d92bc32f03d95b27b5727f9127210341adc3 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -1066,6 +1066,12 @@ if (!is_android) {
                 "//chrome")
       }
     }
+
+    if (is_linux && !is_component_build) {
+      # Set rpath to find the CDM adapter even in a non-component build.
+      configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
+    }
+
     if (is_chromeos) {
       sources += rebase_path(
               chrome_tests_gypi_values.chrome_browser_tests_chromeos_sources,