GitLab

- The stories which have been flaky in the past weak are removed
    - css_value_type_filter (android, mac)
    - twitch_2018 (android)
    - extra_large_texture_uploads (mac)
    - mix_blend_mode_animation_screen (mac)
    - web_animation_value_type_transform_simple (mac)
    - bouncing_clipped_rectangles (mac)
    - css_animations_simultaneous_inline_style (windows)

- Stories with low number of frames are removed
    - bouncing_clipped_rectangles (android, mac)
    - css_value_type_filter (android)
    - animometer_webgl_attrib_arrays (android)
    - ie_chalkboard (android)
    - mix_blend_mode_animation_screen (android)
    - web_animation_value_type_transform_simple (android)

- main_30fps_impl_60fps is added to all sets as a control case for noise

Bug: chromium:1032562
Change-Id: I7a957e532513c7d50e76d1b12a8bf4e9ff5ca64a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1960177
Commit-Queue: Behdad Bakhshinategh <behdadb@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#723577}