Proto commits in google/cross-device-sdk

These 2 commits are when the Protocol Buffers files have changed:

Commit:8bb73aa
Author:Simon Zhu
Committer:Simon Zhu

Initial commit for developer preview (0.1.0-preview01) PiperOrigin-RevId: 469804483

The documentation is generated from this commit.

Commit:2f91018
Author:D2DI team
Committer:Simon Zhu

Initial commit for developer preview (0.1.0-preview01) PiperOrigin-RevId: 469804483

The documentation is generated from this commit.