[autotest] Add a new telemetry_Benchmarks page_cycler_typical25

Chrome and some web content are DPI-aware. Some issues only
manifest themselves when running on a bot with certain DPI.
This test is added to help find performance issues that is
sensitive to DPI.

TEST=locally run the test.

Change-Id: I95422088b1f3477ebed18cfcd85b51890272543f
Reviewed-on: https://chromium-review.googlesource.com/176144
Reviewed-by: Fang Deng <fdeng@chromium.org>
Tested-by: Fang Deng <fdeng@chromium.org>
Commit-Queue: Fang Deng <fdeng@chromium.org>
1 file changed