Document JsonReader token values

[jonathanpeppers]

Refs #247

Sources

• Android Developers: android.util.JsonReader (including the existing per-member links for the documented APIs)

Validation

• XML parsed with PowerShell [xml].
• Confirmed CRLF-only line endings with zero lone LF characters.
• Ran git diff --check.

Documented DocIds: P:Android.Util.JsonReader.HasNext, M:Android.Util.JsonReader.NextBoolean, M:Android.Util.JsonReader.NextDouble, M:Android.Util.JsonReader.NextInt, M:Android.Util.JsonReader.NextLong, M:Android.Util.JsonReader.NextName, M:Android.Util.JsonReader.NextString, and M:Android.Util.JsonReader.Peek.

[Copilot]

Pull request overview

This PR updates the XML documentation for Android.Util.JsonReader by replacing “To be added.” placeholders with concrete <value>/<returns> descriptions, aligning the docs more closely with the upstream Android reference documentation.

Changes:

• Documented HasNext property value semantics (true/false meaning).
• Added concrete <returns> documentation for NextBoolean, NextDouble, NextInt, NextLong, NextName, NextString, and Peek.

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[jonathanpeppers]

@dalexsoto review

[jonathanpeppers]

@dalexsoto review

[dalexsoto]

The JsonReader token consumption, coercion, return values, exceptions, and managed signatures match Android.