* tag the module as 'tests' so the apk gets includes in test build
* merge the instrumentation into TileBenchmark app and eliminate
the test apk entirely
* changed the default test suite to 'alexa25_2011' which is a suite
of pages based on top 25 news sites from alexa, includes primarily
english sites, and 3 CJK sites
Change-Id: Icd40a70b560bfd7c521adf8ad4b1068483698103
Adds TileBenchmark app, which loads pages in webview and scrolls through them
automatically, measuring rendering and allocation information.
Change-Id: Ieaf5bbcec604c99aaf16822915e58bfc495011ec
