Expose resources in Robolectric/JUnit tests.

build/config/android/internal_rules.gni

Index: build/config/android/internal_rules.gni
diff --git a/build/config/android/internal_rules.gni b/build/config/android/internal_rules.gni
index e4a4e2d1f6fc59e6ee3bef81c3e738ba0de107da..7357dc2a0ba95bbf1f1bc4623f6486adf8df9d05 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -568,6 +568,31 @@ template("test_runner_script") {
         "--test-suite",
         invoker.test_suite,
       ]
+      if (defined(invoker.android_manifest_path)) {
+        test_runner_args += [
+          "--android-manifest-path",
+          rebase_path(invoker.android_manifest_path, root_build_dir),
+        ]
+      }
+      if (defined(invoker.resource_dirs)) {
+        foreach(resource_dir, invoker.resource_dirs) {
+          test_runner_args += [
+            "--resource-dir",
+            rebase_path(resource_dir, root_build_dir),
+          ]
+        }
+      }
+      if (defined(invoker.package_name)) {
+        test_runner_args += [
+          "--package-name",
+          invoker.package_name,
+        ]
+      }
+      test_runner_args += [
+        "--robolectric-runtime-deps-dir",
+        rebase_path("$root_build_dir/lib.java/third_party/robolectric",
+                    root_build_dir),
+      ]
     } else if (_test_type == "linker") {
       test_runner_args += [
         "--test-apk",