Add tests for the new annotation infrastructure

_From [byron.c....@gmail.com](https://code.google.com/u/101184679827294438523/) on July 09, 2014 03:18:25_

The basic test should cover the use of annotation a broad range of language constructs, especially including several interesting variations of inlined functions which (1) have annotations in them and (2) are called in the argument list of an annotation. A separate test should cover concurrency.

_Original issue: http://code.google.com/p/dynamorio/issues/detail?id=1468_