Add support for robolectric play-services-shadows.

build/android/gyp/write_build_config.py

Index: build/android/gyp/write_build_config.py
diff --git a/build/android/gyp/write_build_config.py b/build/android/gyp/write_build_config.py
index 5c6c721ce7ba77623ba486a585aac16b20337ca0..2303dc54afc8fc539038103ecd5313bbfd5e71e2 100755
--- a/build/android/gyp/write_build_config.py
+++ b/build/android/gyp/write_build_config.py
@@ -433,23 +433,23 @@ def main(argv):
         gradle['dependent_java_projects'].append(c['path'])
 
 
-  if (options.type in ('java_binary', 'java_library') and
-      not options.bypass_platform_checks):
+  if (options.type in ('java_binary', 'java_library')):
     deps_info['requires_android'] = options.requires_android
     deps_info['supports_android'] = options.supports_android

[mikecase (-- gone --), 2017/03/20 21:12:57]

btw, having a java_binary or java_library depend on something that has
bypass_platform_checks=true causes a KeyError since the
deps_info['requires_android'] never get set for those dependencies.

Thats why I made this change

 
-    deps_require_android = (all_resources_deps +
-        [d['name'] for d in all_library_deps if d['requires_android']])
-    deps_not_support_android = (
-        [d['name'] for d in all_library_deps if not d['supports_android']])
+    if not options.bypass_platform_checks:
+      deps_require_android = (all_resources_deps +
+          [d['name'] for d in all_library_deps if d['requires_android']])
+      deps_not_support_android = (
+          [d['name'] for d in all_library_deps if not d['supports_android']])
 
-    if deps_require_android and not options.requires_android:
-      raise Exception('Some deps require building for the Android platform: ' +
-          str(deps_require_android))
+      if deps_require_android and not options.requires_android:
+        raise Exception('Some deps require building for the Android platform: '
+            + str(deps_require_android))
 
-    if deps_not_support_android and options.supports_android:
-      raise Exception('Not all deps support the Android platform: ' +
-          str(deps_not_support_android))
+      if deps_not_support_android and options.supports_android:
+        raise Exception('Not all deps support the Android platform: '
+            + str(deps_not_support_android))
 
   if options.type in ('java_binary', 'java_library', 'android_apk'):
     deps_info['jar_path'] = options.jar_path