WebNN: rename IDL to use MLTensor
Strictly replaces uses of MLBuffer* related IDL types to use
MLTensor*. This will be one of multiple CLs to split up
WebNN's renaming of MLTensor to MLBuffer to avoid merge
conflicts.
Bug: 361372446
Change-Id: I34dff70eb77d2096e23d202ed1fd2cf459363b1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5837821
Reviewed-by: Austin Sullivan asully@chromium.org
Reviewed-by: Alex Gough ajgo@chromium.org
Commit-Queue: Bryan Bernhart bryan.bernhart@intel.com
Cr-Commit-Position: refs/heads/main@{#1351057}