[devil] Add system app replacement wrapper script.

devil/devil/devil_dependencies.json

 {
   "config_type": "BaseConfig",
   "dependencies": {
     "aapt": {
       "cloud_storage_base_folder": "binary_dependencies",
       "cloud_storage_bucket": "chromium-telemetry",
       "file_info": {
         "linux2_x86_64": {
           "cloud_storage_hash": "16ba3180141a2489d7ec99b39fd6e3434a9a373f",
           "download_path": "../bin/deps/linux2/x86_64/bin/aapt"
@@ skipping 33 matching lines @@
     "dexdump": {
       "cloud_storage_base_folder": "binary_dependencies",
       "cloud_storage_bucket": "chromium-telemetry",
       "file_info": {
         "linux2_x86_64": {
           "cloud_storage_hash": "acfb10f7a868baf9bcf446a2d9f8ed6b5d52c3c6",
           "download_path": "../bin/deps/linux2/x86_64/bin/dexdump"
         }
       }
     },
+    "empty_system_webview": {
+      "cloud_storage_base_folder": "binary_dependencies",
+      "cloud_storage_bucket": "chromium-telemetry",
+      "file_info": {
+        "android_armeabi-v7a": {
+          "cloud_storage_hash": "220ff3ba1a6c3c81877997e32784ffd008f293a5",
+          "download_path": "../bin/deps/android/armeabi-v7a/apks/EmptySystemWebView.apk"
+        }
+      }
+    },
     "fastboot": {
       "cloud_storage_base_folder": "binary_dependencies",
       "cloud_storage_bucket": "chromium-telemetry",
       "file_info": {
         "linux2_x86_64": {
           "cloud_storage_hash": "db9728166f182800eb9d09e9f036d56e105e8235",
           "download_path": "../bin/deps/linux2/x86_64/bin/fastboot"
         }
       }
     },
@@ skipping 54 matching lines @@
       "cloud_storage_bucket": "chromium-telemetry",
       "file_info": {
         "linux2_x86_64": {
           "cloud_storage_hash": "abb9753a8d3efeea4144e328933931729e01571c",
           "download_path": "../bin/deps/linux2/x86_64/bin/split-select"
         }
       }
     }
   }
 }