Fixing package-boundary violation with srjar_deps

webrtc/build/webrtc.gni

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
@@ skipping 306 matching lines @@
                            ])
     configs += invoker.configs
     configs -= rtc_remove_configs
     configs -= invoker.suppressed_configs
     public_configs = [ rtc_common_inherited_config ]
     if (defined(invoker.public_configs)) {
       public_configs += invoker.public_configs
     }
   }
 }
+
+# TODO(mbonadei): Merge this in android_library or create an
+# rtc_android_library. Waiting for hints from chromium:648244.
+if (is_android) {
+  template("android_shared_srcjar") {
+    action(target_name) {
+      check_includes = false
+      set_sources_assignment_filter([])
+      assert(defined(invoker.sources))
+
+      forward_variables_from(invoker,
+                             [
+                               "sources",
+                               "testonly",
+                               "visibility",
+                             ])
+      script = "//webrtc/build/generate_srcjar.py"
+      _srcjar_path = "${target_gen_dir}/${target_name}.srcjar"
+      _rebased_srcjar_path = rebase_path(_srcjar_path, root_build_dir)
+      _rebased_sources = rebase_path(invoker.sources, root_build_dir)
+
+      args = [ "--srcjar=$_rebased_srcjar_path" ] + _rebased_sources
+
+      outputs = [
+        _srcjar_path,
+      ]
+    }
+  }
+}