Merge "DO NOT MERGE Adding unit tests for ExternalCallList." into nyc-mr1-dev am: ff81bf19ea
am: e9b1b75e80  -s ours

* commit 'e9b1b75e80ccbf38bd5cacec19a20a032f26ac03':
  DO NOT MERGE Adding unit tests for ExternalCallList.

Change-Id: I6965a4e46fe7447559827fc6a7932647b7b52b84