Fix crash with view(block 100vh)
The crash was occuring due to the intrinsic iteration duration being
evaluated as negative. In computing the timeline state we checked that
the range was non-zero, but did not handle a negative range.
Bug: 355462539
Change-Id: I5119233504f9dd3c897825eb60ed08057af73f0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5741911
Commit-Queue: Kevin Ellis kevers@chromium.org
Reviewed-by: Robert Flack flackr@chromium.org
Cr-Commit-Position: refs/heads/main@{#1334243}