👔 Make instrumentation tests declare their runtime_deps

android_webview/android_webview_test_data.isolate

Index: android_webview/android_webview_test_data.isolate
diff --git a/android_webview/android_webview_test_data.isolate b/android_webview/android_webview_test_data.isolate
index 7436aca18b9764bac3e1afe50ef7dfd401fbf5fa..18a58252883b0c097d21dfce53703c697d6cbb01 100644
--- a/android_webview/android_webview_test_data.isolate
+++ b/android_webview/android_webview_test_data.isolate
@@ -2,13 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
-  'conditions': [
-    ['OS=="android"', {
-      'variables': {
-        'files': [
-          '<(DEPTH)/android_webview/test/data/',
-        ],
-      },
-    }],
-  ],
+  'variables': {
+    'files': [
+      '<(DEPTH)/android_webview/test/data/',
+    ],
+  },
 }