Auto merge of #26464 - mrobinson:move-animations-to-script, r=jdm

Move most animation processing to script

This is preparation for sharing this code with layout_2020 and
implementing selective off-the-main-thread animations.

We still look for nodes not in the flow tree in the layout thread.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because they should not change behavior.

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1 files changed, 1 insertions, 0 deletions

diff --git a/components/script/lib.rs b/components/script/lib.rs
index cd73045456a..886a76e9c95 100644
--- a/components/script/lib.rs
+++ b/components/script/lib.rs
@@ -48,6 +48,7 @@ extern crate servo_atoms;
 extern crate style;
 
 mod animation_timeline;
+mod animations;
 #[warn(deprecated)]
 #[macro_use]
 mod task;