add/update protobuf message definition for reported/strong shaking

[bpeng]

Proposed Changes

Resolves ##GeoNet/haz/issues/283

Changes proposed in this pull request:

• Update reported intensity protobuf definition, add mmiSummary
• Add protobuf definition for strong shaking

Production Changes

The following production changes are required to deploy these changes:

• None

Review

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Code Review Guide

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[junghao]

OK