Add a performance test to track Oilpan's pausing time
Add a performance test to track Oilpan's pausing time

You can run those tests with
$ ./tools/perf/run_benchmark run ${TEST_NAME}
where TEST_NAME accepts "oilpan_gc_times.tough_animation_cases" or "oilpan_gc_times.blink_perf_animation"
in this CL.

BUG=438074
TESTS=./tools/perf/run_tests OilpanGCTimesTest --browser=content-shell-release --also-run-disabled-tests

Review URL: https://codereview.chromium.org/716233005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#306799}

benschmaus/catapult,benschmaus/catapult,catapult-project/catapult-csm,benschmaus/catapult,benschmaus/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult-csm,benschmaus/catapult,catapult-project/catapult-csm,SummerLW/Perf-Insight-Report,benschmaus/catapult,sahiljain/catapult,sahiljain/catapult,benschmaus/catapult,catapult-project/catapult,sahiljain/catapult,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult-csm,SummerLW/Perf-Insight-Report,sahiljain/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult,sahiljain/catapult,SummerLW/Perf-Insight-Report,SummerLW/Perf-Insight-Report,sahiljain/catapult