tools/android/loading: Remove spaces from network emulation names to make scriptability easier.
tools/android/loading: Remove spaces from network emulation names to make scriptability easier.

Review URL: https://codereview.chromium.org/1802743003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#381439}

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