Fix concurrent access to frameMetrics listener

[stefanosiano]

📜 Description

changed metrics listener map from HashMap to ConcurrentHashMap

💡 Motivation and Context

Fixes #2816

💚 How did you test it?

📝 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	302.02 ms	350.94 ms	48.92 ms
Size	1.72 MiB	2.29 MiB	575.03 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
f274c79	313.96 ms	355.96 ms	42.00 ms
9246ed4	281.79 ms	352.08 ms	70.29 ms
9246ed4	275.63 ms	321.31 ms	45.69 ms
dc67004	273.86 ms	346.37 ms	72.51 ms
496bdfd	301.22 ms	343.96 ms	42.73 ms
8820c5c	330.60 ms	416.86 ms	86.26 ms
496bdfd	272.86 ms	407.33 ms	134.48 ms
c03a05e	390.40 ms	419.35 ms	28.94 ms
0310da5	381.20 ms	404.50 ms	23.30 ms

App size

Revision	Plain	With Sentry	Diff
f274c79	1.72 MiB	2.29 MiB	575.01 KiB
9246ed4	1.72 MiB	2.28 MiB	572.22 KiB
9246ed4	1.72 MiB	2.28 MiB	572.22 KiB
dc67004	1.72 MiB	2.28 MiB	573.45 KiB
496bdfd	1.72 MiB	2.28 MiB	571.82 KiB
8820c5c	1.72 MiB	2.28 MiB	571.82 KiB
496bdfd	1.72 MiB	2.28 MiB	571.82 KiB
c03a05e	1.72 MiB	2.29 MiB	574.43 KiB
0310da5	1.72 MiB	2.28 MiB	573.45 KiB

Previous results on branch: fix/frame-metrics-collector-concurrent-map

Startup times

Revision	Plain	With Sentry	Diff
7f6a84c	287.26 ms	309.96 ms	22.70 ms

App size

Revision	Plain	With Sentry	Diff
7f6a84c	1.72 MiB	2.29 MiB	575.00 KiB

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (f274c79) 81.28% compared to head (de43dc3) 81.28%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2823   +/-   ##
=========================================
  Coverage     81.28%   81.28%           
  Complexity     4562     4562           
=========================================
  Files           350      350           
  Lines         16867    16867           
  Branches       2272     2272           
=========================================
  Hits          13710    13710           
  Misses         2216     2216           
  Partials        941      941           

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

LGTM, Nice!