[telemetry] Make testMeasurementSmoke generate separate tests.
This way failures in one benchmark won't stop the rest of the tests, and it'll print separate GTest steps for each benchmark.
The test names follow the format BenchmarkSmokeTest.benchmark.name so you can still find BenchmarkSmokeTest with a search.
Also:
- Rename it to the more apt BenchmarkSmoke.
- Print Chrome stack trace when there's a tab crash at Chrome startup.
BUG=368401,371613,373385
TEST=tools/perf/run_tests benchmark
NOTRY=true
Review URL: https://codereview.chromium.org/
287773002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270766 0039d316-1c4b-4281-b951-d872f2087c98