webnn: Forward-fix missed uses of READ_FROM and WRITE_TO
These uses were added in https://crrev.com/c/5848368, which was
submitted to the CQ in parallel with https://crrev.com/c/5858162,
which renamed these symbols
This is causing test failures. See https://crrev.com/c/5861722
Bug: 361372446
Change-Id: I793d5624fc6e1e5de3e3ab7a7eb3732c39a00163
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5862206
Reviewed-by: Brad Triebwasser btriebw@chromium.org
Commit-Queue: Brad Triebwasser btriebw@chromium.org
Auto-Submit: Austin Sullivan asully@chromium.org
Cr-Commit-Position: refs/heads/main@{#1355524}