Chrome Android 138 supports Web Serial

[caugner]

Summary

Chrome Android 138 supports Web Serial

Test results and supporting details

https://chromestatus.com/feature/5139978918821888

Related issues

Fixes #23802.

[github-actions]

Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

[caugner]

Lint errors are interesting:

Consistency - 2 problems (2 errors, 0 warnings, 0 infos):
 ✖ api.Serial - Error → No support in webview_android, but support is declared in the following sub-feature(s):
        → api.Serial.getPorts: 138
        → api.Serial.requestPort: 138
 ✖ api.SerialPort - Error → No support in webview_android, but support is declared in the following sub-feature(s):
        → api.SerialPort.close: 138
        → api.SerialPort.connect_event: 138
        → api.SerialPort.connected: 138
        → api.SerialPort.disconnect_event: 138
        → api.SerialPort.forget: 138
        → api.SerialPort.getInfo: 138
        → api.SerialPort.getSignals: 138
        → api.SerialPort.open: 138
        → api.SerialPort.readable: 138
        → api.SerialPort.setSignals: 138
        → api.SerialPort.writable: 138

Edit: Got it, need to copy down this WebView Android statement:

{
  "version_added": false,
  "impl_url": "https://crbug.com/40740509"
},

(This is why it would be nice to have "inherit" similar to "mirror", except that it mirrors from the parent feature.)