Add lock attribute to the frame protocol

[romtsn]

📜 Description

This is necessary in addition to SentryThread.held_locks to highlight the offending frame in the UI, so the lock has to be also on the per-frame level.

Relay PR: getsentry/relay#2171

💡 Motivation and Context

Q2 Goal

💚 How did you test it?

Manually and automated

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	291.57 ms	331.89 ms	40.32 ms
Size	1.72 MiB	2.28 MiB	571.59 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
16cd2b6	243.02 ms	349.69 ms	106.67 ms
46b1782	387.72 ms	458.74 ms	71.02 ms
1707044	338.80 ms	384.79 ms	46.00 ms

App size

Revision	Plain	With Sentry	Diff
16cd2b6	1.72 MiB	2.28 MiB	570.95 KiB
46b1782	1.72 MiB	2.28 MiB	570.44 KiB
1707044	1.72 MiB	2.28 MiB	570.44 KiB

Previous results on branch: rz/feat/anr-v2-lock-per-frame

Startup times

Revision	Plain	With Sentry	Diff
7830f11	322.64 ms	370.34 ms	47.70 ms

App size

Revision	Plain	With Sentry	Diff
7830f11	1.72 MiB	2.28 MiB	571.59 KiB

[codecov]

Codecov Report

Patch coverage: 85.71% and no project coverage change.

Comparison is base (baa4b26) 81.09% compared to head (89238ad) 81.10%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2761   +/-   ##
=========================================
  Coverage     81.09%   81.10%           
- Complexity     4470     4472    +2     
=========================================
  Files           347      347           
  Lines         16475    16482    +7     
  Branches       2232     2233    +1     
=========================================
+ Hits          13361    13367    +6     
- Misses         2181     2182    +1     
  Partials        933      933           

Impacted Files	Coverage Δ
...main/java/io/sentry/protocol/SentryStackFrame.java	84.27% <85.71%> (+0.06%)	⬆️

☔ View full report in Codecov by Sentry.
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[markushi]

LGTM!