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This is to align the attributes used by memory allocator dump with
telemetry values [1] introducing types and units as attributes args.
Follow up patches will clean up the C++ interface to match the new
model.

This also rolls src/third_party/trace-viewer bd416ea:ba605a2 to pick up
the corresponding trace-viewer UI changes.

Summary of changes available at:
https://chromium.googlesource.com/external/trace-viewer/+log/bd416ea..ba605a2

BUG=466141

Review URL: https://codereview.chromium.org/1106943002

Cr-Commit-Position: refs/heads/master@{#327058}