Add global attributes support for Android

[tustanivsky]

This PR adds global attributes support for Android which was enabled via sentry-java 8.34.0 in #1272.

Key Changes:

• Added setAttribute/removeAttribute bridge methods in SentryBridgeJava.java delegating to Sentry.setAttribute()/Sentry.removeAttribute()
• Replaced no-op implementations in AndroidSentrySubsystem.cpp with JNI calls through the Java bridge
• Added global attribute integration test assertions for logs and metrics on Android (previously skipped as no-op)
• Added global attribute setup and assertions to the metrics test scenario on both Android and Desktop

Related items:

• Add attributes support for structured logs #1190
• Add Metrics API support #1214

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

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Internal Changes 🔧

Deps

• Update Java SDK to v8.34.1 by github-actions in #1272
• Update CLI to v3.3.0 by github-actions in #1268
• Update Cocoa SDK to v9.6.0 by github-actions in #1269
• Update CLI to v3.2.3 by github-actions in #1265
• Update Native SDK to v0.13.1 by github-actions in #1263
• Update Cocoa SDK to v9.5.1 by github-actions in #1257

Other

• Add global attributes support for Android by tustanivsky in #1274

• Add app hang tracking for Windows and Linux by tustanivsky in #1270
• Fix screenshot capture error messages during commandlet execution by tustanivsky in #1273
• Fix debug symbol upload for build products located in the engine directory by tustanivsky in #1262
• Fix symbol upload configuration warning in plugin settings menu by tustanivsky in #1261

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